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

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.