21700 lithium battery insulator ring, highland barley paper with adhesive backing
Enhance the safety of your 21700 lithium batteries with our insulator rings. Waterproof, Heat-resistant, Crafted from highland barley paper with adhesive backing. Easy to peel and paste.
Battery insulator rings offer good insulation, wear, corrosion, and tear resistance. Specifically designed for 21700 batteries. prevent short circuits.
Outer ring diameter: Φ21mm(0.82"). Inner ring diameter: Φ12mm(0.47"). Thickness: 0.2mm.
SPECIFICATION: Size: Outer ring diameter: Φ21mm(0.82"). Inner ring diameter: Φ12mm(0.47"). Thickness: 0.2mm. Note: Before using the insulating paper, make sure the surface is clean, dry and free of grease.
