Miniature button batteries have become widespread thanks to
long service life and reliability. Battery 381 According to its chemical composition, it belongs to silver-zinc power sources.
Technical specifications
- voltage – 1.55 V (stable throughout the entire period of use);
- capacity – 45-50 m/Ah;
- Disc diameter – 11.6 mm, thickness – 2.1 mm.
Manufacturers
Leading brands that produce silver-zinc power supplies with the 381 marking include:
Analogues
Manufacturers may have different markings, but mini-batteries are similar in size and specifications. The most common batteries on the market are: V381, SR1120SW, RW30, SBAS-DS, and 280-27.
Scope of application
Button batteries are used in small electronic devices such as:
- quartz wristwatch;
— alarm key fobs,
— calculators;
- small measuring instruments (for example, kitchen scales);
— remote controls;
- toys.
Use mini-button batteries only as directed. Do not open them, and keep them out of the reach of children to prevent ingestion.
