Premium Battery Insulation for Safe & Reliable Power Packs
When building or repairing lithium-ion battery packs—whether for e-bikes, power tools, solar storage, or DIY electronics—safety and insulation are non-negotiable. That’s why this 100PCS 18650/21700 Li-ion Battery Insulation Gasket Barley Paper Set is an essential component for any battery assembler or hobbyist.
Each gasket is precision-cut from high-quality, heat-resistant barley paper, designed specifically to fit both 18650 and 21700 cylindrical cells. These insulating pads prevent electrical shorts between electrodes and casings, significantly reducing the risk of thermal runaway, leakage, or short circuits—critical for maintaining battery longevity and user safety.
Why Choose This Insulation Gasket Set?
- Universal Fit: Compatible with both 18650 and 21700 Li-ion cells—no need to buy separate kits.
- High-Temperature Resistance: Made from durable barley paper that withstands elevated temperatures during charging/discharging.
- Electrical Isolation: Effectively prevents anode/cathode contact with battery casing, enhancing pack safety.
- Bulk Value: 100 pieces per pack—enough for multiple battery builds or replacements.
- Precision Die-Cut: Clean edges and consistent dimensions ensure easy installation and reliable performance.
Whether you’re assembling a custom ebike battery, repairing a power tool pack, or prototyping a solar energy system, these insulating gaskets provide peace of mind through reliable electrical isolation.
Limited-Time Offer: Just $3.24!
Don’t compromise on safety or quality. Normally priced higher, this essential battery insulation set is now available for an incredible only $3.24—a must-have price point for makers, technicians, and DIY enthusiasts.
With over 4,844 units sold, this product has proven its reliability and popularity among battery builders worldwide. Join thousands of satisfied customers who trust these gaskets to keep their battery packs safe, efficient, and long-lasting.
How to Use
- Place one gasket on the top and/or bottom of each cell as needed.
- Ensure full coverage of the electrode ends to prevent contact with metal casings or spacers.
- Proceed with spot welding or assembling your battery pack as usual.
- Enjoy enhanced safety and performance in your custom battery solutions.
Upgrade your battery-building toolkit today—safely, affordably, and confidently.
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