Charge indication: red light charge blue (green) lamp full charge
The maximum output currentOUT+,OUT- 2.3A
Peripheral dimensions: 27 * 17.5 * 3.9mm
Module name: 3.7V4.2V lithium battery charging board
Input interface: MICRO USB
Package:3*Protection Board Charge Module
Charging accuracy: 1.5%
Weight: 2.3g
Operating temperature: -10 to +85
Battery over-discharge protection voltage: 2.5V
Can reverse: can not reverse
Charging mode: linear charging
Full charge voltage: 4.2V (4.1-4.2)
Charging cut-off voltage: 4.2V ± 1%
Input voltage: 4.5V-5.5V
Battery overcurrent protection current: 3A
Charge current: 1A
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 R3, you can change the output caused 100mA-1000mA, very convenient.