Inputs with MICRO USB female, can be directly input to do with the phone charger rechargeable lithium battery, And still retains the input voltage wiring pads, can be very convenient DIY. Charging cut-off voltage: 4.2V ± 1%; Maximum charge current: 1000mA.
Input voltage: 5V; Battery over-discharge protection voltage:2.5V; Battery overcurrent protection current: 3A; Connect the battery to the B + B-, inserted into the USB female mobile phone charger, the red light is being charged, the green light to full.
Integration output overvoltage protection, short circuit protection, overload protection
Micro USB lithium ion / lipo / 18650 battery charging board, built-in TP4056 chip, set charging and battery over-charge over-discharge over-current protection all in one practical for your DIY 18650 battery power supply to prolong its lifetime.
The charge should disconnect the load OUT terminal on the positive and negative cannot be wrong, please according to specifications, otherwise it will damage directly.