17mm Li-ion Battery Anode Insulation Gasket | 18650 Battery Anode Protection Ring | 17mm Outer / 10mm Inner Plastic Insulator Washer

Specification

• Material: High-Quality Heat-Resistant Plastic
• Outer Diameter: 17mm
• Inner Diameter: 10mm
• Thickness: Ultra-Thin Protective Layer
• Type: Anode Insulation Ring for 18650 Battery
• Color: White
• Fitment: All Standard 18650 Li-ion Batteries
• Function: Prevents Anode Short-Circuit
• Spot Welding Safety: Yes
• Quantity: Single Piece (per unit)


---

Description

This 18650 Anode Insulation Gasket is specially designed to protect the battery’s anode region during spot welding.
The 17mm outer diameter and 10mm center hole ensure a perfect fit for standard 18650 batteries.
Its heat-resistant plastic material prevents accidental short-circuits and improves overall safety during battery pack assembly.
Ideal for professional builders and DIY lithium battery projects.


---

Application

• 18650 battery pack building
• Preventing anode short-circuit
• Spot welding protection
• DIY Li-ion battery projects
• Power bank & e-bike battery assembly