Magic Shine MJ-6112 Battery Pack

2 x 18650 LG LI-ion cells,7.2V 2.6Ah 

USB Rechargeable Battery Pack, it serves as a portable charger for small USB devices such as your phone or cyclometer/GPS.  Charging a device is accomplished by connecting a device to the output USB and selecting the charge button.  This button also serves to illuminate three green LED indicator lights which display the remaining charge of the main battery.  Additionally, the battery and power cord can be separated (a dust cover is included to prevent damage to the contacts) and the battery becomes even more suited as a portable charger.

Operating temperature 14-104F Discharge temperature 50-104F

Size:42.5x30x123mm Weight:167g

Compatible with ALL Magicshine bike lights with Round Plug

The battery is more ergonomic and straps neatly to your frame using a nylon strap

The new waterproof battery compartment design and high quality and large area silicone non-slip mat

All Magicshine batteries include a circuit with over-charge, over-discharge and short circuit protection meaning you can be sure that your Magicshine battery is safe to use and charge.