21700 Cell Paper Positive Ring – Imported (1 Sheet)

Product Name: 21700 Cell Paper Positive Ring – Imported (1 Sheet)

Product Description:
Premium quality paper insulation rings designed for the positive terminal of 21700 lithium-ion cells. These imported rings provide essential electrical insulation and help prevent short circuits during battery pack assembly. Perfect for DIY battery builders and professional pack manufacturers.

Specifications:

• Product Type: Paper Positive Insulation Ring

• Cell Compatibility: 21700 cylindrical lithium-ion cells

• Material: High-temperature insulating paper (fish paper)

• Outer Diameter: Approx. 18–20 mm

• Inner Diameter: Approx. 10 mm

• Color: Typically black or blue (may vary by batch)

• Heat Resistance: Up to 130°C

• Adhesive Backing: Optional (confirm if adhesive or non-adhesive)

• Sheet Quantity: 1 sheet (typically contains 100–200 rings, depending on layout)

Applications:

• Electrical insulation for 21700 battery cell positive terminals

• Prevents short circuits during spot welding or soldering

• Essential for safe battery pack assembly