Custom heatshrink wrap for 21700 batteries. Very easy to apply, wrap can slide directly over your battery and with the use of a heatgun, forms itself into place around the battery. Listing can be purchased as either just the heatshrink itself or one of our KeepPower 21700 5000mah 15A button top batteries with the heatshrink added on for you.
It is recommended to remove the outer layer of heatshrink around your battery if it has one already(KeepPower brand for example), to avoid any tolerances fitting issues with applying. The best tool for removing existing layer of wrap is a good X-Acto knife.
Please do not overheat battery when using the heatgun to apply and shrink the wrap, it should not take more than 10-20 seconds to work properly.
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