5V 1A 2.1A Power Bank Charging Module Dual USB with Digital Display

Description

• Input – micro USB interface 5V 1A
• Output – USB female port 1-5V 1A;USB female port-2 5V 2.1A
• Function – double USB output
• Indication light
• Automatic cut off from supply and Power Bank
• Overcharging protection, Over-current protection, over-discharge protection, High temperature protection, Electric leakage protection.
• Battery positive connects with chip B+,battery negative connects with B-.Please notice that don’t transposition,or it will cause great damage to the module.