PVC Heat Shrink Tube for Li-Ion Batteries – Sold by the Meter
PVC heat shrink tube is intended for insulating and protecting Li-Ion battery packs made from cylindrical cells.
It is commonly used for 18650 cells, but is also compatible with 21700, 26650, and other similar formats, depending on the chosen size.
The product is sold by the linear meter, allowing precise cutting to the required length of each battery pack.
When heated with hot air, the tube shrinks evenly, providing electrical insulation, mechanical protection, and a professional finish.
Available Sizes
120 mm – narrow and compact packs
160 mm – universal size for most DIY batteries, covering ~90% of e-scooter and e-bike batteries
200 mm – wide packs, high-capacity batteries
Indicative Compatibility – 18650 Cells (Width)
Tube Width (unshrunk)
18650 without holder
18650 with holder
Typical Use
120 mm
3 cells
2 cells
Small packs, power banks, compact applications
160 mm
4 cells
3 cells
Most commonly used size for DIY batteries
200 mm
6 cells
5 cells
Large packs, wide batteries
🔹 Values indicate the number of cells arranged in a single row (width-wise).
🔹 Compatibility is indicative and may vary depending on arrangement, insulation, and tolerances.
Main Features
High-quality PVC heat shrink material
Compatible with multiple types of cylindrical Li-Ion cells
Safe electrical insulation
Mechanical and moisture protection
Uniform appearance after shrinking
Ideal for DIY projects and battery refurbishing
Applications
Li-Ion battery packs for electric scooters
Batteries for electric bicycles
Custom power banks
Electronic and industrial projects
Technical Specifications
Material: PVC heat shrink
Wall thickness: 0.08 – 0.2 mm
Sizes: 120 mm / 160 mm / 200 mm
Sales method: by the linear meter
Product type: heat shrink tube for batteries
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