TP4056-1A LIPO Battery Charger Module

Input Voltage: 5V
Full charging voltage: 4.2V
Max output current: 1A
Power Indicator: Red for charging, Green for fully charged.
Input interface: Micro USB
Charging Precision: 1.5%
Operating Temperature: -10 ° C ~ +85 ° C
Item Size: Approx. 25 x 19mm.
It can be used for voltage 3.6, 3.7V, etc. 18650, polymer and other lithium battery charge and discharge protection.