The modern world is replete with a variety of energy storage devices, varying in composition, size, and capacity. To ensure the longevity of an electronic device, it's essential to choose the right charging source. One such battery is the LR921.
Technical specifications
| Standard size | LR921 |
| Material | lithium manganese |
| Form | round tablet |
| Voltage | 1.5 V |
| Capacity | 30 mAh |
| Weight | 0.4 g |
| Height | 2.15 mm |
| Diameter | 9.5 mm |
Manufacturers
— Camelion
— Defender
— Duracell
— Ergolux
— GP
— Philips
— Roboton
— Varta
Analogues
— LR69
— AG6
— LR920
— G6
— 171
— GP71A
— 371
— SR920W
Key differences from other similar energy sources
The LR921 alkaline battery uses a manganese-alkaline electrolyte, which, unlike saline, releases significantly more chemical energy during electrical interaction, resulting in higher overall efficiency and performance. Alkaline batteries are also resistant to temperature fluctuations and do not leak.
Where is it used?
Suitable for lightweight and miniature products. These include:
- watch
- calculators
- electronic games
- pointer pens
- alarm systems
- remote controls
- radio
- lanterns
- toys
What is prohibited to do with LR921?
Although the LR921 battery is resistant to temperature fluctuations, care should be taken when storing it at a low humidity level (the optimal relative humidity is 35-65%). It is not recommended to knock on the battery, make cuts in the casing, or open it.
Where to buy?
Ozon.ru
European standard
ice cooler
Player
tze1.ru
PROMSNAB LLC
BatteryMag.Ru
GOODMAG
Megacom Line
KEALAN
AutoSystems
Construction world
Consumer Advice
When purchasing, carefully inspect the product packaging for integrity and expiration date, which averages 3-5 years. The tablet should be free of corrosion, white deposits, or cloudiness.
The LR921 battery will show its best performance under uniform load conditions.
The LR921 battery is slightly more expensive than its saline counterparts, but it offers high performance, reliability, and durability. Its alkaline electrolyte allows the battery to be stored inside devices without the risk of leakage.
