The SR721SW battery resembles a flattened cylinder with a shiny finish. The negative terminal is shaped like a small disk. It is separated from the positive terminal by a special dielectric. It is used in miniature electronic devices, such as remote controls, alarms, and lasers. walkie-talkies, toys, etc.
SR721SW battery specifications
This power supply has stable parameters and can be used in different temperature conditions.
| Parameter name | Data |
| Voltage | 1.55 volts |
| Weight | 0.01 g |
| Capacity | 23 mAh |
| Shelf life | About 10 years |
| Height | 2.1 mm |
| Diameter | 7.8 mm |
| Country of origin | Russia, China, Japan, USA, Switzerland |
| Type | Silver oxide |
| Price | About 100 rubles. |
The SR721SW battery comes in a translucent blister pack with distinctive informational markings. The back of the packaging is typically made of cardboard, while the front is made of transparent plastic. The specifications listed immediately indicate the battery's specifications. It also immediately indicates whether it is compatible with your electronic device.
Analogues
- battery 362,
- SR58
- 361
- LR721W
- Sr721
Manufacturing companies
What do you need to know before purchasing?
- The integrity of the packaging must be maintained.
- The expiration date must not be expired.
- The voltage and other parameters must be suitable for your device.
- It is better to buy branded batteries, as well-known companies value their reputation.
- The sr721sw battery is not charging.
Thus, the 721 power supply is quite reliable and will work for quite a long time.
