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PRODUCT TYPE: 21700 lithium battery insulator ring, highland barley paper with adhesive backing
Size: Outer ring diameter: Φ21mm(0.82"). Inner ring diameter: Φ12mm(0.47"). Thickness: 0.2mm.
ADVANTAGES: 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.
ADVANTAGES: Battery insulator rings offer good insulation, wear, corrosion, and tear resistance. Specifically designed for 21700 batteries. prevent short circuits.
PACKAGE INCLUDES: 330PCS 21700 lithium battery insulation ring.

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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.

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