Description

5V 1A Power Bank Charger Board Charging Circuit PCB Board Power Supply Step Up Boost Module Mobile Phone For 18650 Battery DIY:
Product Introduction;
1.Apply Battery Type:18650 battery(not include)
2.Output Voltage:5V/1A
3.Input Voltage:3.2V-4.2V
Length 7.1cm
width1.8cm.
High 0.5cm
Connection: The battery positive should connect B+, and battery negative should connect GND