Lipstick Shaped Power Bank. The input power: 5 V 800MA - 1 A. Output power: 5 v1-1. 3 A. Board efficiency: 85%. Battery type: 18650 lithium battery . Switch button: open automatically. The shell material: aluminum alloy shell. Output interface: a USB interface. The battery number: 1. Capacity: 1200-1500-1800-1200-1500-1800-2600 mAh