18650 Battery Terminal Insulator Rings - Black Fish Paper - 20pcs

18650 Battery Terminal Insulator Rings – Black Fish Paper (20pcs) Overview The 18650 Battery Terminal Insulator Rings are high-quality fish paper protective rings, designed to insulate and reinforce the positive terminal of 18650 lithium-ion batteries. Made from heat-resistant, non-conductive fish paper, these rings provide enhanced electrical insulation, reducing the risk of short circuits, electrical arcing, and accidental metal contact. Perfect for battery pack builders, DIY enthusiasts, and professionals, these insulator rings are essential for safe battery rewrapping, repairs, and custom pack assembly. Key Features ✅ Precision Fit for 18650 Batteries: Designed to perfectly insulate the positive terminal of standard 18650 cells.✅ Premium Fish Paper Material: Provides superior heat resistance and electrical insulation.✅ Enhanced Safety: Prevents short circuits and accidental contact with conductive surfaces.✅ Lightweight & Durable: Thin yet robust, allowing for quick and secure