Camelion Ultra Lithium Button Battery CR2032

Product description:

CR2032 Lithium coin cell
A reliable 3 V lithium battery with a capacity of approximately 200-240 mAh. It has a diameter of 20 mm, a thickness of 3.2 mm, and weighs around 3 g. With low self-discharge and an expected storage life of up to 10 years, it is ideal for small electronic devices such as watches, remote controls, computer boards (CMOS/RTC) and similar.

Technical specifications

Type and chemistry: Lithium manganese dioxide (Li-MnO₂) button cell, disposable (non-rechargeable)

Nominal voltage: 3.0 V (can be up to approx. 3.6 V unloaded).

Physical size: Diameter 20 mm, thickness 3.2 mm (IEC standard).

Capacity: Typically 200-240 mAh, depending on brand and load.

Weight: Approximately 2.8-3.2g.

Self-discharge: Very low – approximately <1%/year, giving a long shelf life of up to 10 years when stored correctly.

Performance and usage

Operating temperature: Operating range typically between -20°C and +70°C, depending on manufacturer.

Power capability: Suitable for low current consumption. For pulses it can deliver up to 15 mA.

Areas of application:

Real-time card (RTC) and CMOS battery in computers

Remote controls, watches, calculators, car keys, fitness trackers, small electronic devices, etc.