DX » Community » Reviews » DC-DC Converter Auto Step-Up Step-Down Solar Power Supply Module - Red
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  • posted by Frijs on 02/14/2013

    Pros: It does a great job of adjusting the input to any desired output voltage. Fine design, so it could be build into any project. Good build quality Cons: Not usable on my solar panel (I bought one that you could hook up to your car. But i needed the panel on a not so bright place, and tried this as a solution) Even in the brighter test condi... Read more


    6 1
  • posted by Frijs on 01/10/2013

    Pros: The selected output voltage (14.4V) is very stable when providing any voltage from 4 to 15V. The pot-meter is easy to adjust. Have not tested it with any loads yet. Cons: I could not get it to work on low-current power supply (solar panel). I misread "rated input current" as something nominal. I suppose this should have been the... Read more


    1 0
  • posted by bussemann on 12/31/2012

    Pros: Step up AND step down. Efficient, no heat loss. Indicator light when working. Screw terminals in and out, good markings +/- Accompanying spacer nuts and bolts makes installing in metal encasement a breeze. Good build quality. Cons: None that I have found. OtherThoughts: I have used this to make an emergency USB charger. With this I can co... Read more


    1 0
  • posted by Alexketto on 12/10/2012

    Pros: Excuse me, for my english. Good construction. No other parts needed. Fully adjustable output voltage within the specified value. Cons: This solar panel can not be used because of low internal resistance to completely overload the solar cell, the solar cell voltage drops to 1-2 volts on which this module is no longer working, so there is n... Read more


    5 4


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