Bulk 100 Pcs 18650 Battery PVC Heat Shrink Tubing 30mm Wide 72mm Long 0.08mm Thick Plus 100 Pcs 18650 Li Battery Insulation Gasket Adhesive Ring Paper 18mm Outer Diameter 11mm Inner Diameter 0.2mm Thick For DIY Battery Pack

High-quality 18650 battery shrink tubing and gasket kit for DIY packs
✔️ 100 PVC tubes at 30mm wide, 72mm long, 0.08mm thick plus 100 adhesive rings with 18mm outer diameter, 11mm inner diameter, 0.2mm thick

This kit includes PVC heat shrink tubing and insulation gaskets designed for wrapping and protecting 18650 lithium batteries. It's commonly used in DIY battery pack assembly, refurbishing old batteries, or boosting electrical safety in projects like custom power banks or electric devices.

✅ Material: PVC for tubing and highland barley paper for rings, ensuring reliable insulation and heat resistance.
✅ Dimensions: Tubing measures 30mm width by 72mm length by 0.08mm thick; rings are 18mm outer diameter by 11mm inner diameter by 0.2mm thick.
✅ Performance: Shrinks at 90-110°C with a 48% cross-section rate and 5% longitudinal rate for a snug fit.
✅ Usage: Ideal for 18650 battery DIY, including packs of 100 tubes and 100 rings, perfect for bulk builds.

💡 Why use heat shrink tubing and insulation for battery projects?
Heat shrink tubing and gaskets are essential for safe battery handling in electronics.
- They provide critical protection against shorts and moisture in DIY setups
- Help extend battery life by maintaining insulation during charge cycles
- Offer a simple way to organize and secure cells in power packs
- Reduce risks of overheating in applications like ebikes or portable devices