Characteristic:

On-board TP4056 lithium battery charging management chip
On-board micro USB head, can be directly connected with most of the smart phone charger as the input side to the lithium battery charging
Reserved IN+ and IN- input port, convenient user DIY
On-board charging status indicator
Support charge discharge over current protection
Chip with constant current and constant pressure, full automatic stop
Supports simultaneous charging and discharging

Parameter:

Input voltage: DC5V
Charge cutoff voltage: DC4.2V±1%
Charge maximum output current: 1.2A
Charging mode: linear charge
Working environment temperature: -20-85 degrees Celsius

Package included:

20 x Micro USB TP4056 Charge And Discharge Protection Module