Battery Wraps
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Battery wraps are heat shrink sleeves used to cover and insulate cylindrical lithium-ion cells. These wraps help maintain the outer insulation layer of the battery and are commonly used when replacing damaged or worn wraps.
This category includes battery wraps for multiple cell sizes, making it easy to find the correct fit for your application.
Shop Battery Wraps by Size
18650 Battery Wraps
21700 Battery Wraps
26650 Battery Wraps
20700 Battery Wraps
Key Features
✔ Heat Shrink Material – Conforms tightly around the battery when heated
✔ Electrical Insulation – Covers the outer metal can of the cell
✔ Multiple Sizes Available – Designed for different cylindrical battery formats
✔ Easy Application – Simple rewrapping process with proper tools
Common Applications
✔ Battery Rewrapping – Replace damaged or worn battery wraps
✔ Cell Maintenance – Maintain insulation on lithium-ion cells
✔ DIY Battery Projects – Prepare cells for pack assembly
✔ Battery Repairs – Restore external insulation before reuse
Compatibility
Battery wraps are designed for specific battery sizes. Always verify compatibility based on battery dimensions, including variations for protected or button top cells.
Important Note
Battery wraps provide external insulation but must be installed correctly. Always handle batteries carefully and avoid damaging the cell during the rewrapping process.
Why Use Battery Wraps
✔ Restore Insulation – Replace worn or damaged wraps
✔ Maintain Battery Condition – Helps keep cells properly covered
✔ Easy to Use – Simple heat shrink application
✔ Essential for Maintenance – Common item for battery upkeep
Browse our selection of battery wraps to find heat shrink solutions for your lithium-ion batteries.














































