Remax Power Bank Lesu Series 2usb 2A With Cable 20,000 mAh

Battery: lithium polymer/lithium battery

Real Capacity Rate Power:20000mah

Input Voltage：micro/Type-C:5V-2A

Output Voltage:USB1/USB2：:5V-2A

Fully charged: 4 battery lights are on.

During output, 4 battery lights are on and then they goes off from LED4 as the battery discharged.