Description:
Output: DC5V/2A max, input DC5V/1A, Android line interface
Battery voltage: 3.7-4.2 lithium battery (not include)
Note: the battery must be in parallel rather than in series. Test voltage before installation. One bad battery will affect the whole group battery. Recognize the positive and negative. If you put them in the wrong position, mainboard IC will definitely be destroyed. To avoid damaging the motherboard, exposed part of the wiring must be wraped well
B- Negative B+Positive