This blue PVC heat-shrink sleeve is designed to wrap and protect 18650 lithium-ion cells — ideal for building battery packs (individual cells, assemblies, DIY projects). It provides mechanical, electrical and insulating protection, ensuring the safety, durability and neatness of your builds.
Because it shrinks when heated, it fits snugly around the cell, giving a firm, even hold. This type of sleeve is widely used for rechargeable batteries, battery pack blocks and any project that calls for reliable insulating protection.
Key features
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Reliable insulation: electrical and mechanical protection for 18650 cells.
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Versatility: compatible with all standard 18650 cells.
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Neat finish: a professional look for your battery packs.
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Protection against external elements: dust, moisture, light knocks.
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Easy installation: heat-shrinkable, quick and long-lasting fit.
Technical specifications
| Specification |
Details |
| Product type |
PVC heat-shrink sleeve for batteries |
| Compatibility |
Standard 18650 cells |
| Colour |
Blue |
| Function |
Insulation, mechanical and electrical protection |
| Recommended use |
Building battery packs, repairs, cell protection |
| Heat-shrinkable |
Yes (when heat is applied) |
| Assembly |
Slide on, then heat to shrink around the cell |
