PVC shrink wrap in different designs for 20700/21700 batteries.
To replace worn or damaged wrappers of your 20700/21700 battery.
Lot of 5 pieces
Warning: Last items in stock!
Never use an open flame for the application of the shrink wrap due to the risk of explosion!
To shrink use a hair dryer. The shrinkage temperature of the PVC shrink wrap is 80 ° C.
First remove the old foil. Place the shrink wrap around the battery with equal surplus on both sides (about 3mm). Make a spinning motion while heating the wrap with the hair dryer.
Diameter after shrinking 20mm