Nitecore Li-Ion Rechargeable 21700 Battery 5300mah 3.6v Sdhc/Sdxc means more gas

means more gas

• The speakers are available in a 6

Shipping Dimensions Height8

• Rear USB Input (USB Drives Only)

Nitecore Li-Ion Rechargeable 21700 Battery 5300mah 3.6v Sdhc/Sdxc means more gasRevolutionary and powerfully upgraded As a patent product developed by NITECORE the 21700 I series battery is a proprietary 21700 rechargeable Li ion battery featuring dual way output with positive and negative polarities at both ends and a high energy density. It enables a highly efficient output by minimizing the loss of power due to internal resistance. Unprecedented Battery Performance The dual polarities of the 21700 I series battery at both ends