21700 battery wraps are heat shrink sleeves used to cover and insulate lithium-ion cells. These wraps help maintain the outer insulation layer of the battery and are commonly used when replacing damaged or worn wraps.
As one of the most widely used modern cylindrical battery formats, 21700 cells are commonly found in battery packs, portable devices, and high-capacity applications, making compatible wraps an essential item for maintenance and repair.
Key Features
✔ Heat Shrink Material – Conforms tightly around the battery when heated ✔ Electrical Insulation – Covers the outer metal can of the cell ✔ Designed for 21700 Cells – Sized specifically for modern lithium-ion batteries ✔ 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
These wraps are designed for 21700 lithium-ion batteries. Always verify fitment based on battery size, 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 21700 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 21700 battery wraps to find heat shrink solutions for your lithium-ion batteries.
