21700 Battery Insulator Ring Spec :1. it is just for 21700 Batteries 21700 Battery Insulator Ring is more than 300pcs .it is Waterproof ,so it is good for protect ur 21700 battery and battery pack .
D**K
Awesome
Perfect! Does what I need it to do...stay on the battery while I rewrap it lol
Z**T
They work
They work, adhesive is decent. Cut is ok - the center is a pain. Will order again.
M**E
Like these cause sticky
Good job for what it is
E**A
Would buy again
Worked great!
Trustpilot
4 days ago
2 weeks ago
