1M 18650 Battery Insulation Gasket Paper – 120mm Li-ion Cell Insulating Pads 0.2mm Thickness Protection Sheets

Build safer, cleaner, and more reliable battery packs with this 1m 120mm 18650 Battery Insulation Gasket Paper, designed for Li-ion cell protection and professional battery assembly work. Whether you're working with 18650, 21700, 26650, 32650, or 32700 battery cells, this insulating pad delivers strong protection and precise fit for DIY and industrial battery pack builds.

Made from durable 0.2mm insulating cardboard with one-side adhesive, this battery gasket paper helps prevent short circuits, protects positive electrodes, and improves the overall safety and stability of your battery assemblies. It’s an essential material for anyone building or repairing lithium-ion or LiFePO4 battery packs.

Easy to cut, shape, and apply, this insulation sheet is perfect for creating custom battery pack layouts. The adhesive backing ensures secure placement, helping keep cells properly separated and insulated even in compact or high-density configurations.

From power tools to electric bikes, flashlights, RC projects, and energy storage systems, this insulating gasket paper is a must-have for safe and professional-grade battery construction.

Features:

• 1m x 120mm insulation gasket paper for battery packs
• 0.2mm thickness for reliable cell protection
• One-side adhesive for easy application
• Prevents short circuits and electrical contact issues
• Compatible with multiple battery sizes (18650–32700)
• Strong, durable cardboard insulation material
• Easy to cut and customize for DIY battery builds
• Ideal for Li-ion and LiFePO4 battery packs
• Improves safety and structural stability of battery assemblies
• Suitable for professional and DIY use

Compatible Battery Types:

• 18650 cells
• 21700 cells
• 26650 cells
• 32650 cells
• 32700 cells
• LiFePO4 battery packs

Perfect For:

• DIY battery pack assembly
• Electric bike battery builds
• Power tool battery repair
• RC battery systems
• Energy storage projects
• Flashlight battery insulation
• Electronics and engineering projects

Package Includes:

• 1m 120mm Battery Insulation Cardboard Sheet (Adhesive)