Feature
Capacity: max about 20000mAh
Rated Voltage: 8.4V
Rechargeable: yes
Suit: for most of the 8.4V led bicycle light
Battery Type: 10*18650 battery pack
connector : DC 5.5mm
Charger Specification
Working Principle: This device can transform alternating current into direct current
Input: AC 100 ~ 240V, 50 ~ 60Hz
Output: DC 8.4V, 1A
Color: Black
LED indication for Power On / Charging / Full charge, Offer EU plug