LED lamps h4 on moto aliexpress. LED H4 lamps that could. The best xenon lamps

I’ve been thinking for a long time about buying LEDs for the headlights, but everything I came across before was depressing - some idiotic fans and nameless Chinese LEDs... And then in the summer of 2016 I came across THIS.

These lamps are essentially a Chinese copy, and the Chinese even corrected the Philips joints. Why these lamps? And based on a combination of factors: The lamps are well made, the driver and lamps are dismountable and, in theory, repairable. The design uses top-end Lumileds Luxeon ZES LEDs, the geometry of the LEDs and reflector is as close as possible to the standard halogen, the power driver is present and is made as a separate unit, the lamp cooling is passive, in the form of flexible copper belts of a decent area, allowing you to remove radiators in the headlight housing, and pull it out, cutting a slot in the rubber plug. These design features, including the absence of a fan, made it possible to assume that this generation of LED lamps is already capable of shining correctly, brightly and for a long time.

So, the product is delivered in a rigid cardboard box, inside of which, in polystyrene foam cells, there are lamps and drivers. So, despite all the efforts of the Russian Post visible on the box, the contents were not damaged at all.

The product was purchased with my own money.

Here it is, my precious...

LEDs are already familiar to us from, however, here they shine 2-3 times brighter. Apparently the operating current is significantly reduced so that with such a small radiator they heat up within reasonable limits. Probably the LEDs here are, after all, Luxeon ZES of the first generation.

As you can see, the geometry of the light source is as close as possible to the filaments of a halogen lamp.

The lamps are installed quite simply. If you change regular lamps without any problems, then you won’t have any problems with these either. Although, if you want to place all the components inside the headlight, it is easier to remove the entire headlight. That's exactly what I did. From the point of view of thermal conditions, this is not the best option, but there is no need to cut extra holes in the headlight, it remains completely standard and, if necessary (for maintenance, for example), the lamps are changed to standard halogen in 5 minutes. In general, I measured the temperature after 30 minutes of operation - +125C on the LEDs, 50-60C on the radiator. Manufacturer states working LED temperature up to +135C, so I found this mode satisfactory.

Instructions for lamps

I want to immediately reassure the paranoid - the lamps have been working in this form every day since September 2016. and there are no problems with them. And according to customer reviews, there are practically no failures.

The light-shadow boundary and the far-near operating modes can be seen in the video below.

Here you need to keep in mind that the left headlight is a 10-year-old original, and the right one is a crappy non-original, but new. Hence the slight difference in the brightness and geometry of the headlights.

A short video demonstrating the operation of lamps on the road.

The lamps shine beautifully. Of course, they are far from good lensed xenon, but they are also very far ahead of ordinary halogen. Compared to the Osram NightBreaker Unlimited, the lamps provide less light in the near zone at the bumper, but noticeably more in the far zone. The result is more uniform illumination, improving visibility, without a bright spot of light in front of the bumper.

Let's try to look for conditional shortcomings.

1. Snow/ice on the headlight does not melt. Previously, you turn on the neighbor and after a couple of minutes everything melted away. Now I have to clean it regularly.

2. You cannot turn on the high and low diodes at the same time, even for a couple of seconds. The car has such a function and it works fine with halogen lights, but here the driver turns on either the low beam or high beam diodes, but not both groups at once.

3. 6500K - although the diodes are not bluish, the light under artificial city lighting is not very contrasty. Well, not very good on wet asphalt. However, almost everything on it is not very good.

4. Greater unevenness of illumination compared to halogen - on the illuminated surface, if you look closely, you can see the gaps between the LEDs and the LEDs themselves, etc.

5. Formally, these lamps are not an appropriate light source for a halogen headlight and theoretically, you can be charged under the article “for collective farm xenon”. Although in practice, working LED lamps look completely normal, with STG and daws, and if they excite traffic police inspectors, it’s only when they ask questions - why does it shine so well? And where can I buy this?

6. They are a bit expensive. For this money you can buy two sets of Osram NightBreaker Laser or Unlimited and ride quietly for 3-4 years. And for an undemanding user, standard light bulbs cost 150 rubles per piece. enough for the entire life of the car. Even if diode lamps last 3-4 years, by that time they will become obsolete, because there will be new LEDs - smaller, better, brighter, more energy efficient. So saving due to a large resource is only in theory and advertising brochures. We must clearly understand that these lamps will never pay for themselves financially. But they are worth it - I installed them instead of Osram NightBreaker Unlimited and did not regret it for a second... Why? Well, I have not yet met people who are satisfied with the headlights on H4 lamps. There is only one lamp in the headlight and either the low beam or the high beam can work at the same time. As a result, the high beam is a C grade and the low beam is so-so. In separate optics, you can turn on both the near and far beams at the same time, but here the only option to achieve suitable light is “reinforced” halogen lamps or LED lamps like these.

Many car models suffer from poor headlights, both new ones released just recently, and older cars. Most often, poor lighting occurs on cars with headlights for lamps with an H4 socket.

From this article you will learn:

However, today there is a real way to improve the lighting in your car - install H4 LED lamps, which consume less energy and at the same time provide noticeably more light. True, so that the lamps do not disappoint, you need to know about some of their features.

Design features of H4 lamps

To understand which LED lamps will work correctly on a car with halogen headlights under the H4 base, you need to have a good understanding of exactly how such a headlight works.

Headlights for the H4 base have only one reflector, which works for both “low” and “high” beams. The H4 lamp has two light-emitting filaments built in, and one or another mode is activated by turning on the first or second filament (or both at once). Changing the focal length of the reflector ensures its operation in one mode or another.

One of the main problems that arises when installing non-standard lamps in headlights is incorrect distribution of the light beam, and as a result, blinding oncoming drivers.

As a rule, this is due to the fact that the location of the light sources in non-standard lamps does not correspond to their location in standard H4 halogen bulbs. A discrepancy of just a couple of millimeters is already a big problem for oncoming drivers.

Thus, the key point when choosing any non-standard lamps for installation in a headlight with an H4 socket will be the need to select only lamps in which the light sources are located exactly in the same places where they are located on standard H4 halogen lamps. Otherwise, the headlight will not work correctly.

What types of H4 LED lamps are there?

The key element that determines the shape and size of an LED lamp is the light source itself - the LED. LEDs come in square, rectangular and cylindrical shapes, ranging in size from fractions of a millimeter to several millimeters.

Each LED has its own luminous flux. Achieving the required amount of light produced by the lamp is ensured by increasing the number of LEDs in it (up to 20 pcs). It is the shape and size of the LEDs, as well as their number, that determines what size and dimensions the light bulb itself will be.

To ensure proper distribution of the light flux, sometimes H4 LED lamps use special curtains that block one or more diodes (similar to bi-xenon lamps). Such curtains significantly complicate the design of the lamp, and therefore its cost.

Also, the dimensions of the light bulb (and its cost) are greatly influenced by the cooling system of the lamp. For any LED to operate, a “driver” is required - a special microcircuit that heats up noticeably during operation. To prevent the driver from overheating and failing, the heat must be removed. The cooling system can be passive or active.

Some LEDs require a small chip that doesn't get very hot, and a passive cooling system is sufficient for it to work properly. The passive cooling system consists of a large number of fins (either fixed or soft and loosely attached, looking like a “bundle” at the base of a light bulb, also called a flexible radiator).

For other LEDs that require a powerful and very hot “driver”, a passive cooling system is not enough. For normal operation of a lamp with such diodes, a special fan (cooler) is built into its design - approximately the same as in computers. The presence of a cooler in a lamp significantly complicates its design, increases its size and cost.

How to choose LED lamps

To understand which H4 LED lamps are suitable for a particular car and which are not, you need to highlight several criteria that you should pay attention to first.

The first thing you need to figure out is the location of the LEDs in the lamp. In some LED bulbs, they may not be located in the same places where the filaments of a standard H4 lamp are located, which will lead to incorrect distribution of the luminous flux in the headlight (the headlights will blind oncoming traffic).

The easiest way to find out the location of the LEDs is to ask to look at the light bulb in a store, place a standard H4 light bulb on top of the LED light bulb you are planning to buy, and look “heads up”. If the location of the diodes and filaments does not coincide, it is better to refuse such a light bulb.

The second thing you need to find out is the size of the light bulb itself. A considerable number of LED lamps are much larger in size than standard H4 halogen lamps. Not every car's headlight can accommodate a large bulb. There are often cases when car owners, in order to install LED bulbs, cut holes in the rear headlight cover and then seal them. Not an easy job, it is highly advisable to avoid it. It is also possible to install special enlarged rear covers on the headlights, although finding them on sale is not so easy.

The third thing to remember is the color and amount of luminous flux of the LED bulb. In theory, to improve illumination, the luminous flux from the lamp should be as strong as possible. But in practice, even with correctly adjusted headlights, too much luminous flux can create problems for oncoming cars. If there is too much light, it begins to “scatter” in all directions.

According to the standards, the luminous flux of a standard H4 halogen lamp is no more than 1000 Lumens for low beam and no more than 1500 Lumens for high beam. When choosing an LED lamp, you should not choose models with a luminous flux more than 1.5 times higher than the “standard” one. That is, 1500 Lumens for low beam and 2250 Lumens for high beam will be quite enough.

As for the color of the light flux, it is worth saying that the best conditions for the human eye to perceive the surrounding environment are created by sunlight. That is, on a good sunny day a person is able to see all the smallest details. At the same time, any other lighting - bright white, or even bluish-violet - no longer guarantees that a person will see just as well.

That is, the best color for lighting is daylight white (sometimes with a yellowish tint). You can often find LED lamps on sale that shine with “warm” light - this is the very color of lighting that is most suitable for perception by the human eye. When choosing lamps for headlights, it is best to look for this color (or just white).

For automobile lamps, the color of the luminous flux is usually indicated by temperature in degrees Kelvin. The most optimal color temperature is usually 4000K-6000K. At 4000K the color of the light flux is the warmest; at 6000K the color of the light flux approaches daylight white. It is in this range that the human eye perceives surrounding objects as clearly as possible, and it is this color temperature that is best chosen when purchasing LED lamps.

Top 3 Best H4 LED Bulbs

All H4 LED lamps that can be found on sale are divided into three categories - branded (and very expensive), slightly less expensive and made on the basis of high-quality branded LEDs, as well as cheap consumer goods.

Today, some of the best offers on sale can be considered lamps under the well-known European brand Philips, as well as the American brand CREE. However, it is necessary to make a reservation that the cost of these lamps may surprise an unprepared buyer - it starts from 9 thousand rubles.

You can also find many alternative options on sale - products under unknown Chinese brands, but produced on the basis of Philips or CREE LEDs. It is also worth mentioning the Korean developers of LEDs; their products have recently been in no way inferior to European and American ones. Such lamps not only have an acceptable cost, but can even boast of high quality (though not all, but only part).

As for cheap consumer goods, installing such lamps in headlights not only guarantees the dissatisfaction of oncoming drivers, but can even cause the headlight to fail.

Among car owners, the most popular H4 LED lamps are:

X-LITE LED H4 G7

Very interesting LED lamps from a Chinese manufacturer using high-quality European Philips Luxeon LEDs.

The lamp is one of the few Chinese products where increased attention is paid to the placement of LEDs. The location of the LEDs responsible for the “low” and “high” beam most accurately repeats the location of similar filaments in a halogen light bulb, which ensures the correct focal length and distribution of the luminous flux. Thanks to Philips Luxeon LEDs, the light output of the lamp

The Chinese are accustomed to indicating the total luminous flux power of a lamp, so the numbers on the packaging must be divided by the number of groups of LEDs - 16000/4 (2 groups for “near”, 2 groups for “far”) - the actual values ​​will be only 4000 Lumens.

The cost of such lamps is reasonable, you can order them on Aliexpress >>>

NIGHTEYE H4

Another interesting specimen from a Chinese manufacturer. The lamp is assembled with very high quality; the developers used Korean Seoul Y19 LEDs, which are in no way inferior to Philips products.

The previous lamp model under the Nighteye brand was in quite high demand, largely due to the precise placement of the LEDs, ensuring the correct boundaries of the luminous flux, as well as long-term operation without breakdowns. In the new generation, the developers have retained all the advantages of the lamp, which is why customers love it.

The manufacturer indicates the lamp power as “total”, so the indicated numbers must be divided by the number of groups of LEDs - 8000/4 (2 groups for “near”, 2 groups for “far”) - the actual values ​​will be only 2000 Lumens. It is quite enough for good illumination with headlights under the H4 socket.

The cost of the lamp is also very reasonable, you can order it on Aliexpress >>>

4DRIVE H4

Another model of H4 LED lamps, which is in great demand due to its low cost and high power, is the 4drive H4 model.

A fairly well-assembled lamp, assembled on the basis of Philips LEDs. Its design uses large LEDs that provide a dense luminous flux of daytime white color. The power of the luminous flux is indicated for each lamp, that is, the “low” and “high” beams account for 3800 Lumens each. Great attention has been paid to the placement of the LEDs, so that the headlights will not dazzle oncoming cars.

The model features a large aluminum radiator and a cooler - a fan that provides good cooling of the control electronics.

The cost of the lamps is one of the lowest, and there are no difficulties with ordering them, since the lamps are sold in Russia. Lamps can be ordered at a discount (the base is indicated by phone)

Can H4 LED bulbs be installed in headlights?

It should be noted that the installation of LED lamps in headlights designed for halogen lamps is expressly prohibited. This follows from the “List of faults for which operation of the vehicle is prohibited.” Clause 3.1 states:

The number, type, color, location and operating mode of external lighting devices do not meet the requirements of the vehicle design.

As a punishment for the installation of lighting devices that do not comply with the “Regulations”, deprivation of rights is provided (Part 3 of Article 12.5 of the Code of Administrative Offenses):

Driving a vehicle... ...does not comply with the requirements of the Basic Regulations for the admission of vehicles to operation and the duties of officials to ensure road safety..

Involves deprivation of the right to drive vehicles for a period of six months to one year with confiscation of the specified devices and accessories.

Whether the advantages of installing LED lamps in “halogen” headlights outweigh the disadvantages that may arise due to possible problems with the traffic police is something for everyone to decide for themselves.

Lamps can be ordered at a discount (the base is indicated by phone)

Review of modern designs LED lamps For low/high beam car LED H4 will help you choose the best option and not be disappointed in the money spent. I think the opinions, reviews and comments of this article will be useful primarily to those who care about how the road in front of their car is lit.

LEDs have firmly entered our lives not only as indicators, means of illumination or Daytime Running Lights, but for some time now also as sources of powerful lighting.

The modern market for car lighting elements is flooded with all kinds of LED lamps and light bulbs. As the sellers assure us, their miracle headlight bulbs can provide several times more light with minimal electrical consumption, illuminating the road like daylight, to the envy of friends and neighbors.

In the comments of online stores, enthusiastic and breathy reviews about LED lamps (mostly only about the fact that they shine, just wow, how bright) fuel the general excitement. But is it?

Let's first try to compare LED lamps with classic halogen and bi-xenon lamps:

Yeah... Judging by the table, LED confidently outperforms xenon in terms of lighting technical parameters, leaving far behind halogens, which are by no means of the last quality. Perhaps this is the reason for so many enthusiastic impressions of LED lighting on cars? – the LED really shines brighter than a regular halogen incandescent light bulb. But is happiness only in brightness?

For the average person, headlights are perceived as no more than a light bulb in a toilet - the brighter, the cooler. With car light, the situation is much more serious and complicated: in addition to the brightness itself, the geometry of the light beam also plays a very important role. How you will see this road in the dark depends on how the light spot is formed on the road.

To make it easier to understand the various designs of lamps presented in the review, a little theory about H4 lamps:

Operating principle of H4 low/high beam lamps

In " high beam» the headlight shines according to the principle of an ordinary spotlight: the spiral of the lamp is in the focus of a parabolic reflector, forming at the output a uniform beam of light parallel to the road, while the entire surface of the reflector is used. The standard power of an incandescent lamp for high beam is 60W.

For the mode " low beam» a second spiral is used, located in front of the headlight focus and covered from below with a specially shaped screen. Thus, part of the light flux is cut off, forming a light-shadow spot in the shape of a characteristic “tick”. In this mode, only the upper part of the headlight reflector is used and the light flux is directed slightly downwards, resting on the road surface in front of the car approximately 50...60 m. The standard power of an incandescent lamp for low beam is 55W.

The principle of switching low/high is that in a halogen the filament coils work alternately, in a bi-xenon the bulb moves from one position to another. In LED lamps, mainly for the low beam, the chips are always on, and the high beam chips are additionally connected to them.

Review of LED low/high beam lamps

The lamps presented in the review are mainly built on the basis of powerful CREE XM-L2 LEDs:

• Max. current: 3A
• Max. power: 10W
• Max. luminous flux: 1052lm

Almost all lamps are made on a base made of aircraft-grade aluminum, are waterproof and are designed for power supply of 9…24(36) V.

The review was collected exclusively on real constructive reviews and photographic materials from sane customers who have tested the products “on themselves.” What sellers post on their pages does not count, since they shamelessly steal the same materials from each other. They especially like “realistic” photos for completely different lamps with the same “landscape” and the same headlights. In the review I deliberately do not indicate sellers, but based on the design of the lamps themselves, I think you can find them not only on AliExpress, but also in other places.

Sample No. 0

By and large, this is not even a sample, but an example of the fact that in no case you can't buy, since these are lamps for anything, but not for head light , no matter what the seller “rubs in” on you. This arrangement of LEDs is only suitable for lights, reverse gear, etc., but for this there are corresponding lamps in the corresponding base. The emitting crystals of this lamp are located anywhere, but not in key focal points, which means it will also shine anywhere, but not on the road, and the lens will not play a special role here. The absence of at least any radiator can only speak of extreme low power for a lamp of this purpose. Even if the lamp produces at least half of the required power, it will simply overheat and burn out very quickly.

Sample 1

One of the most inexpensive LED H4 lamps on AliExpress. A single-sided lamp with a horizontal layout is made on the basis of 3 LEDs and with a power 20/30 W should issue 2000/3000 Chinese lumens Chinese sellers very often overestimate key indicators of their goods. Real characteristics can be times 1,5…2 below stated.. The cost of a set of 2 lamps is slightly less than 40 USD

The LEDs are powered by an external driver, and the aluminum housing ensures heat transfer to the active cooling radiator. The cooling fan is quite quiet. In most cases, they replace the standard ones without problems, sometimes, however, the very smart on-board electronics do not want to understand them, but this can be solved by installing a “fake” load resistor. An additional resistor is connected in parallel to the LED lamp to simulate the standard amount of current consumed. Necessary for the correct operation of the electronics that monitor the status of the lamps. Since the resistor increases the current to the standard, its installation negates the whole idea of ​​​​efficiency. .

For low beam, 2 LED chips are used, located for some reason across the optical axis, although in conventional headlight lamps the spirals have a longitudinal orientation. In high beam mode, another chip is connected, located at the focus of the reflector. It turns out that the lamp uses only the upper part of the headlight reflector for high beam, completely ignoring the lower part. As a result, the lamp gives smeared neighbor without a clear boundary and a tick, more or less illuminating the road at a distance of up to 10...15m. The distant quality is somewhere between “ mediocre" And " no" More precisely, this is not a high beam, but a slightly “reinforced” low beam - it shines a little brighter and a little higher, even oncoming cars do not blink behind the high beam. Some smart people stupidly lower their headlights slightly and always drive on the high beam. Yes, in enthusiastic photos of buyers, the headlight itself with such a lamp looks very bright, but in reality this is of little use on the road.

Sample 2

Lamp with built-in driver and active cooling. When the engine is turned off, a slight hum from the active cooling fans is audible, but it is not felt in the cabin. In some cases, the driver electronics cause serious interference with the radio.

The cost of a set of lamps on AliExpress is approx. 50...55 USD

The lamp is similar in design to the previous sample, but with modifications. For high beams, a 4th chip is additionally installed at the bottom. A reflector was also added at the top and bottom near the LEDs to fully utilize the light flow from the LEDs. As the seller assures, the LEDs are located exactly in line with the locations of the spirals of a standard lamp. Thus, for high beam we obtain full use of the reflector. However, although on the same line, but still taking into account the thickness of the base, the LEDs are not on the same axis, but are shifted up and down, and for low beam they are also located across the axis, and not along. Of course, this situation affects focusing, not in the best way. In low beam mode, only 2 upper side chips on the low beam spiral line work. In high beam mode, 2 chips are also connected to the work above and below on the high beam line, i.e. in reality it is “far + near”. On the near side, the upper limit more or less shows, but, of course, without a tick.

Sample 3

The representative lamp has 2 pairs of LEDs and provides greater brightness in high beam mode - 20/40 W And 2000/4000 LM. Cost approx. 55 USD per set. The lamp has an external driver and active cooling.

The LED layout has vertical separation - the chips are located to the left and right of the board. A pair of LEDs for the high beams are roughly in focus and shine on the top and bottom of the reflector. The pair for the low beam is located next to a slight shift from the focus up and closer, while the same shines on both the top and bottom of the reflector, forming the same spot as for the high beam, only the beam of light is directed slightly downward. Essentially, the lamp simply operates in either the “far ahead” or full-on “far in front of the car” mode. With such a design, in principle, there is no need to talk about any clear boundary of the spot for the low beam, and in general about the correct formation of the spot itself. The lamp shines brightly only close in front of the car, leaving the side of the road dark.

As you can see in the illustration, the lamps, even in decent optics on the Nissan, shine brightly, but they shine wherever they want - in the low beam there is neither a border nor a characteristic “tick” - it’s just a mess.

Sample 4

Another Chinese misunderstanding for 50 USD. Brightness 1600/3200 “Chinese” Lumens at a power of 18/30 W.

The lamp also has a vertical layout, but the LEDs for low beam are not even shifted upward relative to the axis, i.e. the light beam in the low beam does not shift anywhere at all, but simply becomes unfocused and loses half its power. The picture of the light-shadow border is even sadder than that of the previous sample. We won’t even dwell on it too much, although for some people these lamps are “just amazing how bright they shine,” but where they shine is the tenth thing.

The overall picture is complemented by a simple driver that actively fills the radio receiver with interference.

There are also completely similar lamps on the Chinese market, but the LEDs are ALL shifted upward from the axis. We get the same effect, only with the flow lowered.

Sample 5

Now this is interesting! Vertical layout like the 3rd sample, but with curtain-screen for low beam. The cost of the kit on AliExpress is approx. 50 USD. The lamp comes with a filter sleeve that allows you to lower the color temperature to 3000K (yellow).

The lamps are made on the basis of 4 CREE XM-L2 LEDs and with a consumption of 40 W, they should produce as much as 4500(!) of the same “Chinese” lumens. Probably, in China they invented how to get 120% efficiency out of “USA” LEDs. As they say, if you don't sugarcoat it, you won't sell it. As with other samples, when you turn on the high beam, the 2nd beam simply turns on and complements the beam for the low beam. The presence of screens for low beam still significantly improves the situation with the light-shadow boundary line - now, in principle, it has somehow been drawn, although it is very far from the truth. Instead of the classic check mark, the result is an uneven, sometimes hunchbacked, horizontal border. Accordingly, the right side of the road is poorly illuminated; the situation is “stretched out” only by brightness greater than halogens.

Sample 7

The presented lamp with a power of 20/40W should produce the same 2000/4000 Lm, respectively for low and high beam. The light source is 4 LED plates made using COB technology, 10 W each. Only the upper pair works on the low beam, illuminating approximately 200° of the reflector. At high beams, all four shine, providing full illumination of the reflector at full power. The cost of the kit on AliExpress is approx. 45…50 c.u.

As can be clearly seen in the illustration, the light source is not a point source, but a whole plate of 18 LEDs, moreover offset from the longitudinal axis by almost 7mm. What kind of focus and clear spot of light can we talk about in this case? In addition, it is clear that different sellers have pairs of plates for low and high beams oriented differently: in some cases, the top and bottom are located in reverse. In this case, the plates for the low beam are in the focal plane of the high beam and vice versa - with road lighting you will get a complete “vinaigrette”.

Sample 8

Another example of a “volumetric” lamp, but not with 4, but with 3 sides - 2 chips for the near side and +1 for the far side. The characteristics of the lamp are quite expected - 24/36 W and 2400/3600 “Chinese” lm.

Structurally, the result was something between Samples 1 and 7, combining their common flaws. Although the lamp provides uniform circular illumination of the reflector, the geometry still has the same problem.

The cost of the kit on AliExpress is approx. 40 USD

The light sources are LED plates, consisting of 27 LEDs, and offset from the focal axis. There is no need to expect any focusing of the light beam - there will be smear on the road. Maybe, of course, it will somehow work for an ATV, but not for the highway.

Sample 9 – LED H4 G6

An interesting example, in my opinion, is the lamp sixth generation G6 with combined LED design. A pair of super-LEDs are used for low beam Cree XHP50 under the lens, and far - Luxeon MZ without lens. To form a light-shadow boundary, a curtain-screen is provided on the near one. The lamp should shine on 3000lm at power 25W, has a built-in driver and radiator for passive cooling.

Cost of the kit on AliExpress 65...70 USD

The energy efficiency of the lamp is 125Lm/W, which looks quite plausible, since the efficiency of the chips used is up to 149Lm/W. In theory, the Cree XHP50 alone can produce almost 2500Lm at 19W. It turns out that LEDs operate comfortably at full heat, which means without compromising their health.

Color temperature of the glow, like other lamps 6000K. What is noteworthy is that the lamp included has several yellow and blue film filters to give the light flux the desired temperature from 3000 to 10000K.

Sample 10 – LED H4 G7

Having seen enough of all sorts of miracles of the Chinese industry in the field of producing LED lamps for car headlights, finally, I would like to especially note our latest sample. Featured LED lamp seventh generation 7G– an example of the maximum imitation of the design and operating principle of an incandescent halogen lamp. The lamp is built on the basis of 16 tiny LEDs Lumileds LUXEON Z ES (ZES). The LEDs are aligned along the optical axis and positioned in exactly the same places as the spirals of a conventional lamp, and thanks to their miniature dimensions of 1.6 mm, maximum resemblance to an incandescent spiral is created. Even the switching principle is preserved - groups of LEDs work separately and alternately for low and high beam. The group of LEDs for low beam is, as expected, covered by a curtain. The prototype of the lamp, apparently, was the original Philips Ultinon H4 lamp with 12 chips.

The retail price of the kit in Ukraine started from approximately 80...85 USD, now on AliExpress you can already buy for about 65 USD. However, if desired, these lamps can also be found in Ukraine at this price.

Lamp cooling is passive, apparently due to low power consumption 24W. On the one hand, the absence of a fan eliminates overheating of the lamp due to its failure, but on the other hand, it places more stringent requirements on the cooling of the radiator itself. The radiator can be turned upside down and screwed onto the case in reverse, reducing the overall length of the product by almost 6.5mm. It should be noted that the threads are lubricated with heat-conducting paste, which is especially useful for harsh temperature conditions.

The lamp shines equally brightly in both modes, but there is some disagreement about this. According to some sources, the lamp produces 2000/2000 Lm, according to others 4000/4000, and some simply write one number 4000 Lm. The manufacturer's website clearly states the typical brightness of 245Lm from the chip at a rated current of 700mA, i.e. with 8 chips we get a total of almost 2000 lm. However, when the current is increased to a maximum of 1200mA, the brightness increases by 1.5 times, so it can be assumed that The actual brightness of the lamp is slightly less 3000lm . We will get approximately the same figure if we multiply the real maximum efficiency of 125 Lm/W by the lamp power. What sellers write about 160Lm/W is, to put it mildly, simply not true. The numbers in the headlines of some advertisements are especially touching: 80W and 5000Lm per lamp - people, be vigilant and prudent.

In low beam mode, the lamp forms a light spot with a fairly clear upper light-shadow boundary in the shape of a classic checkmark, but the checkmark turns out to be symmetrical and this is not without reason. According to the manufacturer's idea, the design of the lamp is universal and is designed for both right-hand and left-hand traffic, and for the latter, the check mark should be raised not on the right, but on the left. Therefore, to form the correct angle of inclination of the tick, the lamp can be adjusted around its axis. You just need to loosen the locking screws and rotate the lamp a little around its axis so that one arm of the tick lies horizontally - and there it is, the correct shape of the light spot. To make it easier to adjust, there are even marks on the base plate.

We can safely say that the latest presented example is an example of the optimal combination of design and technological innovations. The product is quite young and its price is still a little high, but it’s only a matter of time.

Perhaps we can stop here...

...ah, no! Progress does not stand still and requires continuation. So, let's continue review of new samples of LED H4 lamps.

Sample 10/1

A little more than six months have passed, and the market is inspired by the idea of ​​​​using miniature LEDs Philips Luxeon began to appear, like mushrooms after the rain, all kinds of clones, replicas, modifications and variations on the theme LED H4 G7.

Like the original version, this sample is 70 American ones are based on the same chips, but with a slightly different design. Basically, almost everything is the same: the same arrangement of LED groups, the same calculation for both left- and right-hand traffic. However, the cooling is active, and the design itself somehow looks “simpler.” The sellers are clearly bad at arithmetic: at the input 12B and 1.6A “miraculously” turns into 24W of light at the output! Although, who knows, maybe this is just a super-mega development of Shanghai inventors?

Sample 10/2

Another option on the G7 theme... For 40...50 USD. nothing new, fewer chips, more power, less efficiency. Cooling is active. The huge curtain for the low beam partially blocks the group of LEDs for the high beam, while at the same time not completely covering the LEDs for the low beam. It’s not difficult to imagine that the light-shadow picture will be distorted.

Sample 11 – NIGHTEYE H4

The lamp appeared on the market quite recently. One could say that this is another clone of the LED H4 G7, but this is not entirely true. The principle of arrangement of LED groups is the same, but the chips are completely different. Completely unpackaged (semiconductor coated with phosphor, even without a substrate) chips are used as powerful LED emitters WICOP2 Z8 Y19 Korean company Seoul Semiconductor" Miniature chips measuring 1.8 mm have very impressive parameters, in no way inferior to LUXEON Z-ES.

The lamp parameters are the same: 25W And 2000lm alternately per group of near or far (total 4000Lm per lamp) - considering the characteristics of the chips used, it sounds quite plausible. The color temperature of the light is somewhere 6000…6500K. The lamp driver is built-in, the cooling is passive, the ability to adjust the tilt angle of the SG absent. The lamp set comes in a beautiful retail box.

Cost on AliExpress is approx. 40 USD, in Ukraine very few sellers offer 50...60 USD. On Ali you can find the same lamps completely without a name or relationship in a simple black box. However, now there are quite a lot of options under different “brands”: N1, Oslamp, Partol, Auxmart, Baxster...

The cut-off line (CTB) of NightEye H4 looks very realistically similar to a classic halogen tick, the upper border is only slightly smeared, and everything is very much a “bunch”.

As you can see in the photo, the brightness of the LED is not just visually much greater than that of a halogen - the LED light, in principle, floods the space in front of the hood and along the sides much more intensely.

However, not everything is as smooth as it seems: disadvantages passive cooling make themselves known. So that the lamp does not burn out due to overheating of the electronics reduces real power almost 2 times! Detailed description and testing Nighteye H4- in a separate review .

Sample 12 – X1

Quite recently, another option was drawn on Luxeon ZES LEDs, but with its own creative vision. For the low beam, everything is the same, only there are fewer diodes - 6 instead of 8, as usual, but for the high beam - even fewer - only 4 and are located not along the axis, but across. That's so original. Accordingly, the power is 20 W per mode, and not 25. The luminous flux, in theory, is 2250 Lm - with fewer LEDs and less power, we get an efficiency bordering on fantastic. The cooling is passive, but the radiator, contrary to the laws of physics, is not black at all, but silver. But the kit includes yellow and blue films for changing the glow temperature. The lamp has a tilt adjustment.

The lamps are packed in a stylish box with the logo " X1" AliExpress price from 42 USD before 65 USD

Sample 13 – LED H4 8G

So we waited - the next thing, eighth generation LED lamps G8. The presented sample is not as revolutionary as the seventh generation lamps with maximum filament imitation. More like another variation of lamps sixth generation.

Cost on Ali: approx. 70...80 USD. In our native lands, these lamps will cost about 90 USD.

Unlike the G6 with a combined design of the LED block, in the new lamps everything is made on the same chips Cree XHP50 for both low beam and high beam. The radiator has become significantly smaller, but has a fan for active cooling. The light flux is promised to be as much as 3000Lm from one lamp, alternating to near and far, with a power of 36W. The external driver seems to be the same as for the LED H4 G7 model, but is not removable. To correct the GH, adjustment of the lamp installation angle is provided.

What’s noteworthy is that the lamps are packaged in boxes with the same blue and white design as the LED H4 G7 lamps.

Sample 14 – two-color LED H4 G7

Very, very recently, an interesting modification lamps that have already become “classic” LED H4 G7. The design, body and even packaging are all the same. The number of chips was reduced from 16 to 12, as in the original Philips lamps, while the lighting parameters of the lamp remained the same - the same 25W and 2000Lm with one lamp. By reducing the number of chips, the size of the light source has become more compact, but apparently at the expense of more intensive use of LEDs. But that’s not even interesting.

The lamp uses LEDs different color shade : white(6500K) – for neighbor light and yellow(3000K) for distant. Initially, two-color was used in “ single beam” lamps H7 And H11: thanks to the use of LEDs of two colors and a special driver, the lamps can change the color of the glow from white/yellow when turned on without the use of various films and filters. IN " double beam” lamps H4 the colors are structurally rigidly fixed: white near and yellow far.

What can such a color trick achieve besides being “cool”? I think it’s no secret to many that in fog/rain/snow, etc. It’s better to use yellow fog lights than white low ones, and even more so the high ones. Due to the longer wavelength, yellow light “squeezes” better between atmospheric inclusions, scatters less and blinds the driver. Apparently, the authors' idea is to be able to use high beams in foggy conditions.

The lamps are not offered cheaply: under the trademarks " Oslamp" And " Auxmart» on Aliexpress you can buy them for approximately 85 USD per set.

RESULTS

As expected, “not all yoghurts are equally healthy”! The euphoria of seeing a super bright headlight bulb can easily give way to disappointment after driving in real road conditions. All the samples presented in the review look very bright and impressive from the outside, but only some provide normal illumination of the road. Acceptable results are shown by lamps starting from the sixth generation lamps, and lamps LED H4 G7 made with the design as close as possible to halogen lamps.

Updated: 03/29/2017

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In this review I will talk about the LED lamp in the H4 socket. Its distinctive feature is the use of an elongated LED matrix. This lamp also uses a curtain, which should result in a cut-off line identical to the cut-off line of a halogen lamp. But whether the required STG turned out or not, read further in the review.

The lamp looks like this:

The part of the LED matrix located under the curtain is responsible for the low beam, and the part located outside the curtain is responsible for the high beam. In total, the lamp contains two identical LED matrices. Located on different sides of it.

Declared characteristics of the lamp:

Brightness: 3800lm.
Colorful temperature: 6000K.
Power: 36W.
Supply voltage range: 8-48V.
Lifetime: 30,000 hours.

The lamp is made in an aluminum housing, in the rear of which there is a fan covered with a metal casing. The metal casing is pressed onto the lamp radiator, which is an integral part of the housing. Typically, lamps of this type are produced for several types of bases at once; it is enough to simply remove the base and install another one, but it is the lamp model designed for the H4 base that has a curtain over the LED to distribute the light properly.

The adapter for the base is pressed quite firmly against the lamp body, and there is also an additional O-ring at the mounting location. This design completely eliminates any vibration of the lamp relative to the adapter.

The lamp body is made of 6063 aluminum alloy. The LED matrix at the top of the lamp is mounted on a board with an aluminum base, which in turn is mounted on thermal paste and secured to the lamp body with two screws.
If you unscrew the cap on the top of the lamp, you can see the aluminum base of the printed circuit board.

As for the connector, it is located outside the housing, making installation of the lamp much easier. The cable has a strong braid, thanks to which you can not be afraid of accidentally damaging or breaking it.

The dimensions of the lamp are 96mm x 35mm. Excluding fasteners and wires. The weight of the lamp is 89 grams.

I will start my tests by checking the operation of the lamp in the declared voltage range. From the table and graph we see that the maximum power consumption corresponds to a voltage of 11V and voltages above 36V. In the voltage range of the on-board network of a passenger car, the power consumption of the lamp is approximately 27 W. At voltages below 8 volts, the driver blocks the operation of the lamp. You can notice that the power consumption on low and high beam is approximately the same

Next I will measure the maximum temperature of the LEDs. When the lamp was operating in low beam, the temperature of the LED matrix was 149.6°C, and when operating in high beam, the temperature of the LED matrix was 143.5°C. This difference is due to the fact that the part of the matrix responsible for high beam is located closer to the radiator, therefore it is cooled better.

Thermograms with scale

I would also like to show another picture from the description of this lamp. It shows the direction of air movement through the radiator. I recently tested a Llama in which air was also sucked into the bulb and brought into the headlight along with dust and dirt. There is no such deficiency here.

I carried out the tests in a cardboard box, approximately equal in size to the internal space in the headlight. From the following heating graphs you can see that the lamp reaches a steady state temperature in approximately 8 minutes. Of course, I can’t help but note the fact that the developers clearly went too far with the maximum temperature of the LEDs.

When installing a lamp in a headlight, it is worth remembering that for the fan to operate, a small distance is required between the back of the lamp and the cover of the headlight unit, if such a cover is present. This distance should usually be 1-2cm. If, when installing the lamp, the headlight unit cover fits tightly to the back wall of the lamp, the temperature at the lamp LEDs will increase significantly.

In the following photographs I will show how this lamp was installed on a motorcycle. In this case, it was not possible to put on the boot. Even if you remove the adapter for the base, then put on the anthers, then put on the adapter, the lamp will not install, because there is not enough space to snap the mount. Unfortunately, this drawback is inherent in most LED lamps.

Now let's move on to the main tests.

Low beam:


High beam:

To compare the brightness of the lamp with a standard incandescent lamp, I used a lux meter. Having placed the sensor at a distance of one meter from the headlight glass, I measured the illumination created by the lamp. The values ​​obtained as a result of measurements can be considered dimensionless. They will only help us estimate how many times brighter an LED lamp is than a standard incandescent lamp.

It turned out that the LED lamp is much brighter than the incandescent lamp.

Low beam:


High beam:

Please pay attention to the cut-off line, it is there, but it is far from what it should be. To show this more clearly, I will compare it with the cut-off line of a halogen lamp. Driving with such lamps is dangerous and I highly do not recommend doing this. If you need original photographs to compare the identity of ISO, aperture and shutter speed, write in the comments and I’ll add them.

But to complete the picture, I’ll also show a couple of photos to compare the brightness.

Low beam:

High beam:

And in the video version of the review you can see the operation of these lamps in motion. If you have already read the review and looked at all the pictures, then you can immediately rewind the video to the end at 3:40.

I hope my review was useful to you.

The product was provided for writing a review by the store. The review was published in accordance with clause 18 of the Site Rules.