The 399 coin cell battery is used in electronic and quartz watches. It is also used in calculators, medical devices, LED, and RFID technologies.
Technical specifications
- Capacity 53 mAh
- Voltage 1.55V
- Height 2.7 mm
- Diameter 9.5 mm
Interchangeable analogues
- 399
- SR927W
- V399
- D399
- 280-44
- Renata 399
Manufacturers
Power supply 399
- - is silver oxide
- - costs more than alkaline batteries
- - surpasses them in reliability and durability
- - maintains a stable voltage throughout its entire service life
- — suitable for devices with periodic peak loads and serves as a source of energy for quartz and electronic watches with additional functions (screen backlight, alarm clock).
Purchased batteries should not be stored in the refrigerator, and high humidity should also be avoided. Avoid sudden temperature changes, exposure to light, sunlight, and the like. Keep them out of the reach of children. Do not attempt to charge the batteries; this is dangerous and useless.
When purchasing, choose a battery with suitable parameters - size, voltage, capacity, internal resistanceYou can use our list of alternatives. It's best to choose from well-known, trusted manufacturers. Pay attention to the production date and the integrity of the packaging. If the device requires multiple batteries, they must be identical.
Used batteries should only be disposed of in special containers located in many large stores.
