Energizer CR2032 Lithium Coin Cell Battery 3V 240mAh (1 Pack) – Long-Lasting Power for Key Fobs, Watches, and Medical Devices

This Energizer CR2032 lithium coin cell battery delivers dependable 3V power in a compact 20mm form factor, making it the go-to choice for high-drain devices like key fobs, medical sensors, and computer motherboards. With a generous 240mAh capacity and a 10-year shelf life, this primary cell ensures your critical electronics stay operational when you need them most.

Advantages

Engineered with lithium manganese dioxide chemistry, this battery offers superior energy density and stable voltage output across a wide temperature range from -20°C to 70°C. It is mercury-free, lead-free, and cadmium-free, meeting strict environmental standards while providing reliable performance. The leak-resistant construction and robust seal protect your devices from damage, and the long shelf life means you can stock up without worrying about premature discharge.

Suitable for

• Car key fobs and remote entry systems
• Wristwatches and small clocks
• Calculators and digital thermometers
• Medical devices such as glucose monitors and hearing aids
• Computer motherboards for CMOS memory backup
• Fitness trackers and electronic toys

Key specifications

• Battery type: Lithium coin cell (CR2032)
• Nominal voltage: 3V
• Nominal capacity: 240mAh
• Diameter: 20mm, Height: 3.2mm
• Operating temperature: -20°C to 70°C
• Shelf life: up to 10 years
• Rechargeable: No (primary cell)
• Mercury, lead, and cadmium free
• Pack quantity: 1 battery
• Common equivalents: DL2032, ECR2032, BR2032, KCR2032, LM2032, 5004LC

Recommendations

For best results, replace all batteries in a device at the same time and keep spare batteries in a cool, dry place. Always check the polarity before insertion and dispose of used batteries properly according to local regulations.