VARTA CR2450
VARTA CR2450 is a primary lithium coin cell battery for equipment that needs to run for a long time without replacement. It is a 3 V cell with lithium-manganese dioxide chemistry, and it is the type of battery typically chosen for compact devices that require both stable voltage and a long service life.
In practice, this means that the cell is well-suited as a power source in small electronic products where space is limited but the battery must still provide power over a long period. VARTA specifies a typical capacity of 620 mAh measured with a 5.6 kΩ load at 20 °C down to 2 V. This indicates how much energy is available under a defined load.
The dimensions of the button cell make it compatible with equipment built for the CR2450 format. The diameter is 24.20–24.70 mm, the height is 4.60–5.00 mm, and the weight is approximately 6.2 g. It is therefore a relatively flat cell compared to many other battery types, which is one of the reasons it is used in compact electronics.
You can download the manufacturer's documentation here: See datasheet from the manufacturer
Typical applications
VARTA describes the CR series of coin cells for, among other things, electronics, telecommunications, measurement technology, instrumentation, office equipment, and other portable equipment. For the CR2450 format, this is typically where you encounter it: in equipment where long storage life, low self-discharge, and a stable supply over time are required.
Specifications
- Manufacturer: VARTA
- MPN: 6450101401
- IEC designation: CR 2450
- Chemistry: Lithium-manganese dioxide (Li/MnO2)
- Type: Primary coin cell
- Nominal voltage: 3 V
- Typical capacity: 620 mAh
- Typical capacity measured at 5.6 kΩ load at 20 °C down to 2 V
- Diameter: 24.20–24.70 mm
- Height: 4.60–5.00 mm
- Shoulder diameter: 21.00 mm
- Weight: approx. 6.2 g
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