The product can be set 2S or 3S lithium battery charging, 2S with equalisation charging. 2.15W synchronous switching boost charging, support QC fast charging, boost charging efficiency of 94%. Output: support 2 series and 3 series, the battery needs to add a protection plate, the default 2 series, change the 3 series, you need to short the short point, and then remove the side of the resistor.
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