4P Hollow Fish Paper Insulation Gasket for 21700 Lithium Battery Pack, High Temperature Resistant Die-Cut Battery Module Pad

The 21700 Lithium Battery 4-Cell Hollow Fish Paper Insulation Gasket is specially designed for lithium-ion battery pack assembly, providing reliable electrical insulation and protection between battery cells and metal components. Made from high-quality electrical insulating fish paper (barley paper), it features excellent heat resistance, flame retardancy, and mechanical strength.

This die-cut insulation spacer is suitable for 21700 cylindrical battery modules, energy storage battery packs, EV battery systems, power tools, and customized battery assemblies. The hollow 4-cell design helps improve assembly efficiency while reducing the risk of short circuits caused by contact between conductive parts.

• Compatible with 21700 lithium battery modules
• 4-cell hollow structure for easy positioning and assembly
• High temperature resistance and flame retardant performance
• Excellent electrical insulation and dielectric strength
• Tear resistant, durable, and lightweight
• Custom sizes, thicknesses, shapes, and adhesive options available

• Lithium-ion battery packs
• EV battery modules
• Energy storage systems
• E-bike and power tool batteries
• Battery protection and insulation components