18650 Battery Insulation Paper Hollow Pack 2S (1 pc)
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Prices updated: 13 Oct 2026
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About this product
A single dark green insulation paper ring for 18650 and 18500 lithium cells in a 2S pack. It has a 17mm outer and 10mm inner ring diameter and is 0.25mm thick. It is used to insulate cell terminals in a 2S pack, helping prevent accidental shorts.
Specifications
- Compatibility
- 18650 / 18500 lithium cells / خلايا ليثيوم 18650 و18500
- Cell configuration
- 2S
- Quantity
- 1 piece / قطعة واحدة
- Outer ring diameter
- 17 mm
- Inner ring diameter
- 10 mm
- Thickness
- 0.25 mm
- Color
- Dark green / أخضر داكن
Frequently asked questions
Is it compatible with 18500 cells as well as 18650?
The listing states compatibility with both 18650 and 18500 lithium cells in a 2S configuration.
Does this insulation paper replace a battery protection board?
No. It only provides mechanical insulation. A 2S pack still needs a protection board (BMS) for overcharge, over-discharge and short-circuit protection.
