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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 single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
- 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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