100% brand new and high quality
Can be packed into 4x18650 batteries and combined them to bicycle lights powered
Output voltage: 8.4V, Input voltage: 8.4V
size：105mmX48mm 
Cable: 60cm (it has the USB cable )
USB MAX output:2000mA
USB criteria Output voltage:5V±0.2
weight:134g

Package include: 1x battery pack cover (batteries do not include)

 

note:

      1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.

      2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.