This module uses a very mature charging chip TP4056, with simple peripheral circuits, good protection performance, and high charging accuracy.
The current of this module can be adjusted by yourself, as long as the fixed resistance in the circuit board is changed, the output can be changed to 100 mA-1000 mA.
Charge module:Linear charging.
Full charge voltage:4.2V ± 1%
Led indicator:red is charging； Green is full charged.
Input interface:micro USB/mini usb/type-c usb
Work temperature:-10° to +85°.
Inversed polarity: NO
1* charging board