Energizer CR2450 Lithium Button Cell Battery 3V 620mAh 4-Pack (E304311000)

Keep your car key fob, medical device, or fitness tracker powered with these Energizer CR2450 lithium button cells. Each 3V battery delivers 620mAh of capacity, ensuring long-lasting performance in high-drain devices. The pack includes four batteries, so you have spares on hand when you need them.

Key specifications

• Battery type: Lithium button cell (CR2450)
• Nominal voltage: 3 V
• Capacity: 620 mAh
• Chemistry: Lithium manganese dioxide (LiMnO2)
• Diameter: 24 mm, height: 5.0 mm
• Shelf life: 10 years
• Operating temperature: -20°C to 70°C
• Mercury-free and leak-protected

Why choose it

Energizer is a trusted brand for reliable power. These CR2450 cells are designed for consistent voltage output and long shelf life, making them ideal for devices that need dependable power over time. The lithium chemistry provides high energy density and stable performance in a compact size.

Ideal use cases

• Car key fobs and remote entry systems
• Medical devices like glucose monitors and thermometers
• Fitness trackers and wearable electronics
• Calculators, watches, and small remote controls

Good to know

These batteries are not rechargeable and should be disposed of properly. They are mercury-free and feature leak protection for added safety. The CR2450 size is also known as DL2450 or ECR2450.