18650 Battery Spring Contact Sheets 10-Pack | Positive & Negative

10-Pack 18650 Battery Spring Contact Sheets — Positive & Negative Bipolar Terminals

Keep your battery-powered projects running smoothly with these 18650 Battery Spring Contact Sheets. Designed for makers, hobbyists, and electronics enthusiasts, this pack of 10 pieces (5 complete sets) provides reliable positive and negative terminal connections for 18650 battery holders and enclosures.

Why Choose These Battery Contact Sheets?

• Durable Construction: Made from 0.3mm iron sheet with a nickel-plated finish for excellent conductivity and long-lasting corrosion resistance.
• Secure Spring Contact Design: The spring-loaded mechanism ensures a firm, stable electrical connection every time, reducing the risk of loose contacts or power interruptions.
• Compact & Space-Efficient: Compact dimensions (approximately 16×16mm / 18.5×16.5mm) make these sheets ideal for tight battery compartments and custom enclosures.
• Versatile Applications: Perfect for DIY battery packs, flashlights, power banks, RC projects, electronic prototypes, and more.
• Great Value Pack: Includes 10 pieces (5 positive + 5 negative contact sheets) — everything you need to wire up multiple battery bays.

Specifications

• Material: 0.3mm iron sheet with nickel plating
• Quantity: 10 PCS (5 Sets — 1 positive + 1 negative per set)
• Dimensions: Approx. 16×16mm (negative) / 18.5×16.5mm (positive)
• Compatible With: 18650 lithium battery holders and DIY battery boxes
• Country of Origin: Made in China

Notes

• Due to manual measurement, please allow a tolerance of 1–3mm.
• Actual product color may vary slightly from images due to monitor display differences.

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For more information on safe battery handling and electronics safety, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.

Frequently Asked Questions

Q: Are these 18650 battery contact sheets compatible with all 18650 battery holders?

A: Yes — these spring contact sheets are designed specifically for standard 18650 battery holders and DIY battery box enclosures. The compact dimensions (approx. 16×16mm and 18.5×16.5mm) fit most common 18650 battery compartments, making them a versatile choice for hobbyist and maker projects.

Q: What material are the 18650 battery spring contact sheets made from?

A: Each contact sheet is constructed from 0.3mm iron sheet with a nickel-plated surface. This combination provides strong electrical conductivity, durability, and resistance to oxidation, ensuring reliable connections over repeated use cycles.

Q: How many positive and negative sheets are included in this pack?

A: This pack contains 10 pieces total — 5 complete sets, each set comprising one positive contact sheet and one negative spring contact sheet, giving you everything needed to outfit up to 5 individual 18650 battery bays.