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CR2450 Lithium Coin Cell Battery
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The CR2450 is a high-capacity 3V lithium coin cell battery, ideal for powering microcontroller projects, sensors, key fobs, and other small electronics that ...
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The CR2450 is a high-capacity 3V lithium coin cell battery, ideal for powering microcontroller projects, sensors, key fobs, and other small electronics that need reliable, long-lasting power.
With a generous 610mAh capacity and a compact 24.5mm diameter form factor, the CR2450 delivers significantly more energy than smaller coin cells like the CR2032.
Key Features
- 3V Nominal Voltage – Standard lithium coin cell output
- 610mAh Capacity – High capacity for extended runtime
- Compact Size – 24.5 mm diameter × 5 mm thick
- Non-Rechargeable – Single-use lithium chemistry
Ideal For
- Microcontroller and sensor projects
- Key fobs and remote controls
- Real-time clock (RTC) backup
- Small electronics and wearable devices
Package Contents
- 1× CR2450 Lithium Coin Cell Battery
Warning: Button cell batteries are hazardous (new or used). Keep away from children. Button cell batteries can cause severe or fatal injuries in 2 hours or less if swallowed or placed inside any part of the body. If you suspect a child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre in Australia on 13 11 26, in New Zealand on 0800 764 766, or contact your country's emergency department immediately.
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- RTC
- A Real-Time Clock keeps track of time even when the main processor is asleep or powered down, usually with a small backup battery. It matters for data logging and tracking projects that need accurate timestamps.
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