Premium Highland Barley Insulation Paper Rings for 18650/20650/21700/32650 Batteries
High-quality barley paper construction ensures superior heat resistance and electrical insulation for enhanced battery safety. Precision-cut rings feature smooth edges and consistent thickness (0.1-0.3mm customizable) for perfect fitment.
Multi-cell compatibility covers 18650, 20650, 21700, and 32650 battery types with factory-direct bulk pricing. Natural fiber material prevents short circuits while allowing optimal heat dissipation.
Essential for DIY battery packs, e-bike conversions, power tool maintenance, and energy storage systems. OEM-grade manufacturing with strict QC for vibration resistance and long-term durability.
Stock up wholesale – global shipping with competitive MOQ for businesses and makers. Inventory available for immediate dispatch from our bonded warehouses.






























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Barley paper 18650 / 20650/21700 / 32650 insulation padHighland Barley Insulation Paper Ring Battery Accessories
$0.04$0.06-33.33%
Battery Type:
OTHER
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