Want Low IRs?

Exalt Lipo Warmer Sleeve is perfect for that. This is meant to be used in a lipo bag, and is not completely flame retardant on its own. It is made out of flame retardant material. It features a super flexible wire, blacked out heating elements, and is more reliable. This does have 4 heating elements one on each side, this ensures equal and controlled heat distribution. Heating your Lipo Battery before charging has Pros and Cons.

We feel Consumers need to be aware of:

Pros

Heating a battery before you charge it, allows for a flatter discharge curve less fade while you run.
It also decreases the Internal resistance of a battery, increasing punch.
Allows same results lowering IR with out effecting Battery Life Span.

Cons

Increase Chances to harm the battery if you overheat the battery. (Caution Keep under 120 F)

This updated design features a button that is securely sewn in place, yielding a more polished appearance while enhancing the product's overall longevity. Also, the female USB-C connector allows for seamless integration with various cable types, providing compatibility with an array of USB and USB-C charging options on various chargers. 

Specifications:
 
Power type: Female USB Type C

Temperature: 3 settings 110 Degrees(red), 100 Degrees(white), 90 Degrees(blue) 
Dimensions: 120 (length) x 45(width) x 25(height)mm
Expanded Sleeve Dimensions: 120 (length) x 45 (width) x 55 (height)mm
 
Built in safety feature to shut off if there is an issue