
VARTA V393 button cell battery
The VARTA V393 is a silver oxide button cell battery for small devices that require a stable and compact power source. This type of battery is typically used in equipment that needs to operate reliably over a long period without the battery taking up much space.
Here, the steady voltage of 1.55 V is particularly important. In practice, this means that the power supply to the equipment remains stable during use. The button cell has a typical capacity of 77 mAh and measures 7.9 mm in diameter and 5.4 mm in height. It weighs 1.08 g.
The IEC designation is SR48, and VARTA lists the type as V393 / type no. 00393. This makes it easier to find a direct replacement when it is time to change the battery in compatible equipment.
VARTA notes, among other things, that silver oxide cells have low self-discharge, a constant voltage level, and high leakage resistance. These are properties that are especially relevant in small and sensitive devices where one wants to avoid unnecessary battery changes and downtime.
Typical applications
VARTA mentions, among other things, use in watches, calculators, thermometers, blood glucose meters, and other medical or measuring equipment.
Specifications
- Manufacturer: VARTA
- MPN: 393101111
- Type: Silver oxide button cell (Ag2O)
- Model: V393
- Type no.: 00393
- IEC designation: SR48
- Nominal voltage: 1.55 V
- Typical capacity: 77 mAh
- Diameter: 7.9 mm
- Height: 5.4 mm
- Typical weight: 1.08 g
- Datasheet: See manufacturer's datasheet
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