Controller module for 18650 power bank

Model: AA312.
1.Description:
Lithium battery charging module.
Input 3.5V-4.2V to 5V.
It canprovide a stable 5V output power.
It is used for phone charge or mobile power, suitable for going out or traveling.

2.Features:
LCD display.
Blue indicator light, automatically extinguished in 15 seconds.
LED three lighting modes.
Disable output.
Input/Output indicator.
Micro USB Input.
Two standard USB output.

3.Parameters :
Input Battery Type:Lithium battery
Input battery voltage:3.5V-4.2V
Output:DC 5V/1A or 5V/2.1A
Display: LCD
Size:66*18*16mm
Operating temperature: -20~85 C
Storage temperature : -20~85 C