Battery Retainer Coin

This holder secures a CR2032 (20mm diameter) lithium coin cell for low-power projects like clocks, remotes, or RTC backups—spring contacts ensure reliable connection. Perfect for first-year engineering students adding persistent power to Arduino prototypes without bulk.

Plastic frame with gold-plated contacts; through-hole or SMD mount options; rated 3V/20mA max. Fits 0.9–3.2mm thick cells; low 1–2mΩ resistance.

Features

• Size: 20.0mm cell.
• Mount: PCB solderable.
• Contacts: Beryllium copper spring.

Note: Product size and dimensions may vary.

Disclaimer: The images shown are for illustration purposes only and may not be an exact match.