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.
Cons:
Increase Chances to harm the battery if you overheat the battery. (Caution Keep under 120 F)
Decreases Battery Life Span
Specifications:
Wire Length: 36"
Power type: USB 5 volt
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
