100-Pack 18650 Battery Tip Cap Gaskets – Stainless Steel
100-Pack 18650 Battery Tip Cap Gaskets – Stainless Steel
100-Pack 18650 / 18500 Stainless Steel Battery Positive Tip Cap Gaskets
Upgrade your flat-top 18650 or 18500 lithium batteries to pointed-tip style with these precision-engineered stainless steel spot-welding cap gaskets. Designed for DIY battery pack builders, electronics hobbyists, and repair technicians, these universal caps deliver a clean, reliable fit every time.
Made in Mainland China.
Why Choose These Battery Tip Caps?
- Premium Stainless Steel Construction: Superior corrosion resistance for long-lasting performance — outlasting ordinary steel alternatives.
- Spot Weldable: Compatible with standard battery spot welding equipment for a secure, professional-grade bond.
- Universal Fit: Designed for 18650 and 18500 lithium battery cells — flat-head to pointed-tip conversion made easy.
- High Strength, Thin Profile: Robust build in a compact 0.95 × 0.15 cm form factor — minimal added bulk.
- High-Temperature Oxidation Resistance: Handles elevated temperatures without degrading, making them suitable for demanding applications.
- Excellent Surface Finish: Clean, high-gloss silver surface — no additional surface treatment needed.
- Easy to Work With: Straightforward plastic deformation and forming at normal temperatures for flexible use cases.
- Bulk Value Pack: 100 caps per package — ideal for multiple battery projects without running short.
Specifications
| Material | Stainless Steel |
| Color | Silver |
| Size | 0.95 × 0.15 cm |
| Compatible Models | 18650 / 18500 Lithium Battery |
| Feature | Spot Weldable / Universal Cap |
| Quantity | 100 Pieces |
Package Includes
- 100 × Stainless Steel Battery Positive Spot Welding Tip Cap Gaskets
Please Note
- Photos may not reflect actual size — please refer to the specifications above for accurate dimensions.
- Allow minor tolerances due to manual measurement.
- Actual color may vary slightly depending on your monitor settings.
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What battery sizes are these tip cap gaskets compatible with?
A: These stainless steel tip cap gaskets are designed to fit 18650 and 18500 lithium battery cells, converting flat-top (button-top) batteries to a pointed positive terminal profile.
Q: Can these caps be spot welded onto batteries?
A: Yes. These caps are specifically engineered to be spot weldable, making them ideal for use with standard battery pack assembly and spot welding equipment for a secure, durable connection.
Q: How many caps are included in one package?
A: Each package contains 100 stainless steel battery positive tip cap gaskets, giving you plenty of caps for multiple DIY battery builds or repairs.
Q: What material are the tip caps made from?
A: The caps are made from high-quality stainless steel, offering excellent corrosion resistance, high strength, a clean silver finish, and high-temperature oxidation resistance — no surface treatment required.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.