1.Battery Type:18650 battery(not include)
2.Output Voltage: 5V 2.1A
3.Input Voltage: 5V1A
4.Instructions: Level 4 Capacity indicator
5.Lighting: with LED lights
6.Size: 140 * 64 * 22mm
7.Rated Voltage : 3.7V ( Suit for 3.2V-4.2V. The batteries are in parallel)
Package:
A Software Version: only one circuit board
