What is this?Battery insulation ring stickers are stickers used for battery insulation protection to prevent corrosion around the battery and extend batteries life. They are usually suitable for 18650, 21700, 26650, and lithium batteries.What will I get?Battery Insulator RingsSize: 395mm x 100mm/15.5 x 4 inch (L*W)Inner Diameter: 10mm/0.4 inchOuter Diameter: 18mm/0.7 inchThickness:0.25mmColor: RedMaterial: Paper with Adhesive BackingApplicable Battery: 18650In the Package: 300PCS x Lithium Battery Insulator RingsAre there any advantages of the product?The battery insulation ring has good insulation, corrosion resistance and tear resistance. Suitable for 18650 batteries, preventing the connecting piece from contacting the battery pack and avoiding battery short circuit.
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