Gerbing Heated Socks Battery 7v 3200mAh (AC211)

The AC211NC-7V3200 is 7.4v 3200mAh version of AC211 li ion rechargeable battery pack. Application:  flambeau heated socks, heated sox, battery powered heated socks, battery operated heated socks,lenz heat socks, heated pajamas. The AC211 Li Ion Battery Pack is perfect replacement battery for keypad temperature control heated clothing like Verseo ThermoVest heated vest liner which has multiple heating zones on back and chest and be used better as a heated liner under a jacket. Great for use Whether you're veering down the slopes or cheering at the stadium, While Biking, Skiing, Fishing, Snow Plowing, and Walking in a cold weather Etc.

Battery Case ID: AC211NC-7V3200
Cell inside: 2pcs li ion 18650 cell 
Capacity: 7.4v 3200mAh
Input:  8.4v 2.5A max 
Output: 8.4v~6V 2.5A max, Constant DC.
Dimension: 41.5*73.5*21.5mm 
Input/Ouput Terminal: 3.5*1.35mm coax type, 
Weight: 118g 
Function Code: NC

The AC11NC-7V3200 is made of Samsung/LG/Panasonic 3200mAh 18650 Battery.
PANASONIC NCR18650BD 3200mAh
PANASONIC NCR18650BM 3200mAh

The AC211 battery is designed for electric heated socks, electric heated insole, electric heated glove insole application.  It has small size 41.5*73.5*21.5mm, a 3.5*1.35mm coax type socket connector through extension cable, other connector type can be made same way.
The AC211 battery has no LED light, no button. It is installed protection pcb only. Plug in and the battery will produce output without other operation. It's a very basic battery with best price. 
Typical Capacity Option: 
7.4v 2200mAh/2600mAh/3200mAh/3400mAh
3.7v 4400mAh/5200mAh/6400mAh/6800mAh