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boost voltage Customers Reviews

  • Great boost converter with stable power

    posted by bear123

    - stable voltage- effiecency is very good- able to boost variably and accurately - fuse- green power LED
    - I modded mine with sku 187376 (mini voltage meter V20D) on the output so I can see the voltage at all times under load. This is an easy mod and well worth the time spent. - I tested this boost convertor with 10 x 1.2v NIMH AA batteries running at 12v and I was able to get a maximum stable output of 26.2v at 76 watts or 2.9 amps. This is very good results for rechargeable NIMH AA battery power source. I will test next with some larger DC input power source and I will assume I will be able to boost to higher stable voltage but not exceeding the input output specs of this boost converter. Seems very efficient and provides smooth adjustable power. You can adjust the output as fine as 2 decimal places easily. What I mean is the adjustment provides fine tuning so I can dial in lets say 15.24v or 28.15v exactly as a random example. Once under load depending on the input power source the voltage will likely drop a little or a lot which is expected.
    Seems to be a great quality boost converter so far. Its small and did not create much heat with an output of 26.2v at 76w for about 5 min. I would think the 150w rating is fair for maximum spec for this unit. I would not advise exceeding this.
  • Works well, nicely constructed

    posted by murcod

    Compact size and quality construction (including 105 degree C rated capacitors). I've just set up one to run off a 12VDC solar system - in my case the input rectifcation diodes can be removed (if being used for DC) and jumpers put in place of two of the diodes to make the input wires +ve and -ve. There's no need to do this, but diodes will be dropping around 0.6V unnecessarily as they're only required for AC voltage inputs.
    I'm using this regulator to drive a KUNSHI 5W 410lm 5000K 10-SMD 5630 LED Neutral White Ceiling Light w/ LED Driver (85~265V) http://www.dx.com/p/kunshi-5w-410lm-5500k-10-smd-5630-led-neutral-white-ceiling-light-w-led-driver-85-265v-189839. I've replaced the standard 85 - 265VAC driver with this and it's working perfectly.
    Very useful for anyone wanting to convert suitable mains AC LED lights to run on a solar system.
  • Great product for testing

    posted by erlenmeyer

    Good step-up module, with a clear display which display input and output voltage. Also you can turn it off (to save power). Welding is excelent and came with additional holes to fit it over a protoboard and M3 holes.
    I'm using this module to connect some bateries to make a regulable power source. I tested with a 550 mAh Li-Ion Battery and is working perfectly. Only have in mind the limitation of the board to 2.5 A.
    Great deal for DIY lovers!
  • Excellent for driving high power LEDs SAFELY

    posted by walter6

    This is my best deal on DealExtreme. Product is correctly described. High quality components and production. It can be used for driving any high power LED (forward voltage 8-80V) from ><12V DC (description says 8-80V but this i have not tested) source and if tuned properly the working frequency will not go below 200kHz, emitted light will be consistent without any tremors in light intensity. I suggest that you tune it with warmed diodes because warmed are pulling more current than cold ones if you want to achieve 0,01A constant current precision. After intensive 48 hours continuous test i have complete confidence that this booster will protect my $200 worth high power (90-93 CRI) Bridgelux and Cree LED’s (constant current and constant voltage protection) against any input voltage variations. I purchased 2 of them and both are perfect (0,01A and 0,01V precision). Products are shipped 2-3 days after purchase ?.I will post some oscilloscope images for experts.
    Most countries are exempt from customs duties and taxes on shipments worth up to 20€, such as this useful thingy.
    After couple of negative reviews, this is my first positive one on DX. Deals as this one will make me come back for more.
  • I was surprised that it works.

    posted by jirka80

    A relatively large voltage range. Increasing the drive worked on the first try.
    When the need for constant output voltage for a wide variety of input values??, the product seemed ideal. Very simple to set up with great sensitivity. Easy wiring. With a bit of caution must operate on the first circuit.
    price / value
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