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Dc-dc Boost Converter Constant Current Mobile Power Supply 10a 250w LED Driver

4.538 product ratings

liaotec2014 (4164)
100% positive feedback

Price:

$9.24

+ US $10.09 shipping

Estimated delivery Tue, May 21 - Fri, May 31

Get it on time if you order in the next Get it on time if you order in the next 11h 37m

Returns:

30 days returns. Seller pays for return shipping.

Condition:

New

Module properties: non-isolated step-up module (BOOST). Constant range: 0.2-8A. Module size: Length 70mm width 36mm height 13mm. Driving high-power LED lights.

About this product

Product Identifiers

GTIN
7426925372177
UPC
7426925372177
eBay Product ID (ePID)
2295359355

Product Key Features

Features
LED

4.5

4.5 out of 5 stars based on 38 product ratings

38 product ratings

27 users rated this 5 out of 5 stars
6 users rated this 4 out of 5 stars
3 users rated this 3 out of 5 stars
1 users rated this 2 out of 5 stars
1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 14 reviews

5 out of 5 stars
by kovidiviDec 16, 2016
Top favorable review
Great step up converter, with 120W tested, 4.7A max output current, 50V voltage.
Heat is very little. Controller IC is TL494, easy to modification. You can use as sepic converter from 1V to 50V, 5A, with little modification. When IC or FET defekt, you can easy replace. I have with 120W tested, no worries. It has over current protection also. I recommended.
Verified purchase: Yes | Condition: New
3 out of 5 stars
by maximumst_erOct 20, 2017
Top critical review
Works Good, Iffy Quality
I got this to power a flashlight project that used a 100 watt LED module. The LED required a constant current, constant voltage power source that was capable of providing 32V DC at around 2.8 amps, and this DC to DC boost converter delivers this. The specs say it's capable of 250 watts output at 10 amps, but that's at the absolute limit and under ideal conditions. The real-world maximum output of this is around 48 volts DC at 8 amps continuous.That requires additional cooling to keep the thing from failing due to heat. It will run on any power source from 3 volts up to 48 volts input, and outputs a max of 50 volts. There are a set of potentiometers that control the current and voltage, and there are some reverse-polarity diodes, but I don't think they would offer anything but a few moments of protection. There are solid electrolytic 50v caps, a big toroid inductor, some power supply IC's, and a big IC to control the voltage output. It's all mated to an aluminum substrate for heat dissipation. It's pre-wired for input and output with 18 gauge wires. Nice. It works okay. Quality is not the greatest, the pots don't fit right and wiggle around, the solder joints aren't pretty, and the caps are no-name one-hung-lo brand, but it works. Voltage and current are adjustable, but you have to look very closely to see which pots control it. I ran my LED at 32 volts and around 2.7-2.8 amps and it did get hot, but not alarmingly hot. The pots worked well enough, but I question their longevity because they would become erratic and the voltage/current would fluctuate after adjustment at times, but otherwise, no issues. Worth the $5 I paid for it. Read full review
Verified purchase: Yes | Condition: New
3 out of 5 stars
by terpiispal_0Nov 06, 2017
Decent converter
This is relatively compact and decent quality converter, compared what you can buy from ebay. Just remember, that this is not actually 250W converter, unless you use it in a highest voltage, with very small voltage difference. For example, in 12V input voltage, specified 8A current together with estimated efficiency 94% gives you only about 90W output power. You can take much more, if you exceed specification, but I managed to burn one with 13A input-current, when I switched the power on. When driving for example 100W/36V led from 12V source, you most likely exceed capacitor ripple current ratings. It draws about 9A from input, with a 27A peak current from capacitor because of 30% pulse ratio. Those capacitors are rated for 670mA ripple current (1.34A when two in parallel). Capacitor life expectancy in these conditions is not very long, especially if you have high inductance power supply.Read full review
Verified purchase: No
5 out of 5 stars
by nakatradeMay 07, 2017
Pretty Good, Learning Curve and Somewhat Finicky
I'm using one of these to power some 5w LEDs. They aren't that easy to use, and there aren't really any good docs on them here on ebay. I eventually found a youtube video about them and figured it out. The unit has been working well for a long time now with consistent use. The aluminum PCB is hefty. This is by far the cheapest way to power your high power LEDs, but with it comes a learning curve, these are easy to break or burnout with a mistake.
Verified purchase: Yes | Condition: New
1 out of 5 stars
by valentigeorgie_...Apr 12, 2017
Not a very good product
The output current of the product is very unstable, the voltage however is stable. The product tends to get hot when its working.
Verified purchase: Yes | Condition: New

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Picture 1 of 7

Dc-dc Boost Converter Constant Current Mobile Power Supply 10a 250w LED Driver

About this product

Product Identifiers

Product Key Features

Ratings and Reviews

Most relevant reviews

Great step up converter, with 120W tested, 4.7A max output current, 50V voltage.

Works Good, Iffy Quality

Decent converter

Pretty Good, Learning Curve and Somewhat Finicky

Not a very good product

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