Keep Your Batteries Safe and Efficient with Premium Insulation Gaskets
Looking for a reliable, cost-effective way to insulate and protect your lithium-ion battery cells? These 20~500pcs 18650 21700 26650 Li-ion Battery Insulation Gasket Pack are engineered to deliver superior electrical insulation, mechanical stability, and thermal resistance — all at an unbeatable price of just $0.61.
Each gasket is made from high-quality adhesive paper material designed specifically for battery electrode insulation. Whether you’re building custom battery packs, repairing electronics, or prototyping DIY power systems, these precision-cut pads prevent short circuits, reduce vibration damage, and enhance overall pack longevity.
Key Features:
- Compatible with 18650, 21700, and 26650 Li-ion cells
- Made from durable, heat-resistant adhesive paper
- Pre-cut for easy installation — no trimming needed
- Excellent dielectric strength prevents electrical shorts
- Adhesive backing ensures secure placement during assembly
- Ideal for DIY builders, repair technicians, and battery pack manufacturers
Why Choose This Product?
At just $0.61 per pack (with options from 20 to 500 pieces), this is one of the most affordable yet effective insulation solutions on the market. Don’t compromise on safety — protect your investment in batteries with a solution that’s trusted by hobbyists and professionals alike.






Whether you’re assembling a single battery or scaling up production, these gaskets offer consistent performance and peace of mind. Stock up now while supplies last — at this price, it’s smart to buy in bulk!
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