Custom 2*4 Eight-Cell Hollow Fish Paper Insulation Sheet for 21700 Lithium Battery Modules, designed to provide reliable electrical insulation and flame retardant protection for cylindrical lithium battery packs. Made from high-quality fish paper (vulcanized fiber insulation material), it offers excellent dielectric strength, heat resistance, and mechanical durability.
Features:
- Designed for 2*4 eight-cell 21700 battery modules
- Flame retardant and high-temperature resistant
- Excellent electrical insulation performance
- Prevents short circuits between battery cells
- Precision die-cutting for accurate fitting
- Custom sizes, shapes, and adhesive options available
Applications:
- 21700 lithium battery packs
- Battery module insulation protection
- Energy storage battery systems
- Power tools and electric vehicles
- Custom cylindrical battery assemblies