Do you need to rewrap your 20700 /21700 battery? Our pre-cut battery wraps are strong, just the right thickness, and the perfect replacement for a damaged or torn wrapper. A damaged battery wrap should always be immediately replaced as it can pose a danger of short circuiting the 20700 / 21700 battery.
ONLY use a heat gun or hair dryer on the lowest heat setting. DO NOT use a lighter, torch, any open flame, stove, microwave, or other appliance to apply heat to the wrapper.