Highland Barley Insulation Paper Ring for 18650/20650/21700/32650 Batteries
Premium barley paper construction ensures superior heat resistance and electrical insulation. Precision-cut rings fit snugly around battery terminals to prevent short circuits. Ideal for DIY battery packs, vaping mods, and high-performance electronics. Ultra-thin yet durable design maintains airflow while blocking metal contact. Handles extreme temperatures without fraying or shrinking. Essential upgrade for hobbyists and professionals seeking reliable battery safety. Sold in bulk quantities at unbeatable wholesale prices. Global shipping available for resellers and large-scale projects. Stock up on this must-have component for safer energy storage solutions.