Warmawear Heated Insoles Battery 3v 6400mAh (AC211) 

The AC11NC-3V6400 is 3.7v 6400mAh version of AC211 li ion rechargeable battery pack. Application: heated boot liners, heated insoles cycling, rechargeable battery heater, heated inner soles, electric heated insoles.  Battery Case ID: AC211NC-3V6400 Cell inside: 2pcs li ion 18650 cell  Capacity: 3.7v 6400mAh Input:  4.2v 2.5A max Output: 4.2v~3V 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-3V6400 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, n…