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 0.25 mm thick dark green insulation paper with a central hole, sized for 18650 or 18500 lithium cells and supplied as one piece per pack. It is intended for 2S battery pack assemblies, where it insulates cells from metal parts and from each other. Outer and inner diameters match the 1S version.
Specifications
- Compatibility
- 18650 / 18500 lithium cells
- Outer diameter
- 17 mm
- Inner diameter
- 10 mm
- Thickness
- 0.25 mm
- Color
- Dark green
- Quantity
- 1 piece
Frequently asked questions
Is this different from the 1S version?
According to the listing, the dimensions and thickness are the same as the 1S version. The 2S label refers to the intended pack configuration.
Which cells does it fit?
It is listed for 18650 and 18500 lithium cells.
