PVC Heat Shrink Tube Protective Film is a heat-shrinkable PVC sleeve designed to wrap and insulate battery packs made from cylindrical lithium-ion cells such as 14500, 18650, and 21700 batteries.
Material: PVC (Polyvinyl Chloride)
Flat width:150 mm
Roll length:20 meters
Color: Usually blue, black, green, red, yellow, or transparent
Shrink temperature: Approximately 80–120 °C (varies by manufacturer)
A 70 mm flat-width sleeve is also suitable for wrapping small battery packs made from multiple cells, depending on
Main Features
Made from durable PVC (Polyvinyl Chloride)
Shrinks tightly when heated
Provides electrical insulation
Protects battery packs from dust, moisture, scratches, and abrasion
Available in various colors for battery pack identification
Suitable Battery Types
14500 (14 mm × 50 mm)
18650 (18 mm × 65 mm)
21700 (21 mm × 70 mm)
Common Battery Pack Applications
E-bike battery packs
Solar energy storage batteries
Power banks
UPS battery systems
DIY lithium battery packs
Electric scooter batteries
Advantages
Excellent insulation properties
Easy to apply using a heat gun
Improves battery pack appearance
Helps prevent accidental short circuits
Lightweight and inexpensive