Product Summary

1mm Epoxy Fiber Sheet for Lithium

Battery Packs –455mm×312mm(Pack of 2)

Protect and insulate your lithium battery packs with this 1mm epoxy fiberglass (FR4) sheet, specially designed for reliable performance and safety. Ideal for use in EVs, solar systems, e-bikes, powerwalls, and custom battery builds.

Why Use Epoxy Sheets?

Unlike metal casings (steel or aluminum), which can scratch battery cells and cause leakage or safety risks, epoxy sheets provide a safer, non-conductive, and flexible insulation solution that keeps cells protected and secure during assembly.

Key Features:

• Size: 455mm × 312mm
• Thickness: 1mm
• Pack of 2 high-quality sheets
• Color: Yellow
• Material: Made from durable epoxy fiberglass (FR4)
• Excellent heat, chemical, and electrical resistance
• Lightweight, flame-retardant, and easy to cut or shape
• Helps prevent short circuits and enhances battery safety

Compatibility:

Works with all major lithium battery types and formats, including:

• Cell Formats: Cylindrical (18650, 21700, 26650, 32650, 32700, 38120, 40120, 4680), Prismatic, and Pouch cells
• Chemistries: Lithium-ion (Li-ion), Lithium Iron Phosphate (LiFePO₄), and Lithium Polymer (Li-Po)

Ideal For:

Perfect for DIY enthusiasts, battery pack makers, solar technicians, and EV builders seeking a safe, high-performance insulation material to improve the safety, durability, and efficiency of lithium battery packs.

Features

• Strong & lightweight
• Heat & chemical resistant
• Excellent insulator

  Uses: Electrical panels, motor parts, circuit supports, and more.