Looking For The Perfect Short-circuit Protection For Your 21700 Batteries? This Ultra-slim Battery Cover Is Designed To Offer Maximum Safety With Minimal Bulk.

Looking For The Perfect Short-circuit Protection For Your 21700 Batteries? This Ultra-slim Battery Cover Is Designed To Offer Maximum Safety With Minimal Bulk. is a 3D printable model, which we searched from web for you, so you can easily print on your own 3D printer.