Justfog Q16 Mod

The Q16 Pro mod small size and sleek design distinguish most other batteries.

Parameters: 

Dimensions: 70.4mm x 25.5mm x 16mm
Variable voltage: 3.5V / 3.8V / 4.1V / 4.4V
Battery: 900mAh
Charging: micro USB port (5V)
Thread: 510 and spring-loaded contact