Electric Foot Warmers Battery Pack 7.4v 4.4Ah (AC407)

The AC407NC-7v4400 is 7.4v 4400mAh version of AC407 li ion rechargeable battery pack made of 4pcs hyb 18650 battery, DLG 18650 battery, GP 18650 battery or other optional 18650 battery, The AC407 battery has no output setting, to get output setting customer can use with our T21sicpu the silicon pushbutton heat controller.  Application: womens heated socks, electric insoles, heatable slippers, warmest boot insoles, rechargeable heated boots and other 7v heated wear products. 

Battery ID: AC407NC-7v4400
Cell inside: 4pcs li ion 18650 battery
Dimension: 23*76*82mm
Capacity: 7.4v 4400mAh
Input:  8.4v 3A max
Output: 8.4v~6V 3A max, constant DC output, no output settings. to get output setting customer can use with our T21sicpu the silicon pushbutton heat controller.
Input/Ouput Terminal: 3.5*1.35mm coax type, 
or designated connector in extension cable.
Weight: 220g
Function Code: NC (No control, but can have a LED light to indicates the remaining battery level)
Typical cell inside: 

DLG NCM18650-220

HYB ICR18650NH

The AC407 battery is designed for electric heated wears application as well as electronic device used as an external battery.  It has compact size  23*76*82mm , a 3.5*1.35mm coax type socket connector or other specified connector type.
The AC407 battery LED light can be made to reflect the battery fuel level status by lighting up different color.
Typical Capacity Option:
3.7v 8800mAh/10400mAh/12800mAh/13600mAh
7.4v 4400mAh/5200mAh/6400mAh/6800mAh
14.8v 2200mAh/2600mAh/3200mAh/3400mAh

The silicon button heat controller allow user operates the heating gears very easily. 
Our T21sicpu silicon heat controller works for 7v/12/15v heating gears, it takes power from an external battery pack 
or from motorcycle/vehicle battery, or even from an AC/DC power supply when user stay indoor. 
Our T21sicpu silicon heat controller works for all our most batteries except those PC (Pulse output only) types. 

Lithium ion rechargeable battery chargers, li ion chargers, battery chargers, rechargeable battery chargers. 

We make li ion battery packs for all heated wears in all size option, search (model number) to find more information in our site.