21700 Battery Insulator Rings

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  • $0.99
  • Regular price $2.49
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Do you need to rewrap your 21700 battery? Our self-adhesive insulators are strong, thick, and the perfect replacement for a damaged or torn insulator. A damaged insulator should always be immediately replaced as it can pose a danger of short circuiting the 21700 battery.

  • Color: White or Black
  • Material: Plastic with self-adhesive backing
  • Quantity: 20pcs
  • Fits: Flat Top 21700
  • Size:  20.5  x  20.5  x . 5mm

Note: Any batteries shown in photos for this item are for illustrative purposes only. Batteries not included.


  • Stick on before shrinking battery wrap.