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Q: Does this unit come in a 90 - 120v version?

Asked by M-Squared Instrument on 2019-01-23 17:00:38

fufr No,this item is only 220V.

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Q: how mani pieces are? 1 or 2

Asked by leopicc on 2019-01-19 07:56:16

fufr Onlyone piece but you have to choose color (red one or black one). As it's said in the description : Package included:1 x P5004 Test Tool (Red or Black for your optional~)

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Q: Sir can it convert 4.2 v to 5 v please tell me..

Asked by ruturajkshirsagar05 on 2018-03-29 08:31:58

fufr As it's said it's an adjustable "step-down" power supply, so you can only have an output voltage lower than the input one. You can consider it as a linear regulator like 78xx except it's a switching regulator with in one hand more efficiency and in the other hand more noise. If you want to increase the voltage take a step up one.

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