Description:
1. Micro USB input terminal with a 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.
2. It can be used for voltage 3.6 3.7V, etc. 18650, polymer and other lithium battery charge, and discharge protection.
3. Input Voltage:Â 5V
4. Charging cut-off voltage:  4.2V ± 1%
5. Maximum charge current:Â 1000mA
6. Battery over-discharge protection voltage:Â 2.5V
How to Use:
Features:
The module uses a very mature charge chip 4056, the external circuit is simple, good protection, high charging accuracy.
This module is mechanical automated processing, all-chip parts manufacturing, each module will be tested before shipment, high reliability.
The module current can be adjusted, as long as the change in the circuit board fixed resistance, you can change the output caused 100mA-1000mA, very convenient.