Battery 27a at 12v

The 27a 12v power supply can easily be confused with AA batteriesTherefore, you need to be very careful here. This type comes in plastic paper packaging. On the back, you can find technical specifications and expiration date information. The manufacturing date is also there. The earlier the manufacturing date, the better. This will result in a higher charge.

Technical characteristics of a 27A 12V battery

For convenience, the data is presented in table form.

Voltage	12 volts.
Capacity	20 mAh
Size	Height: 28.2; Diameter: 8 mm.
Charging the 27a battery	It cannot be recharged as it is not a battery.
Form	Elongated cylinder.
Weight	From 4.4 to 12 grams.
By chemical composition	Alkaline
What's inside?	When disassembled, it is clear that it has 8 button batteries of the LR 632 type.
Operating temperature	From -30 to +50 degrees Celsius.
Country of origin	China, Russia, Great Britain, Germany, Japan
The product is certified according to GOST	ISO9001, GOST, ISO14001
Service life	Capable of holding a charge without use for up to 5-10 years.

If a device that uses a 27A battery consumes 20 milliamp hours, then after 1 hour it will run out.

Devices that use a 27A battery

1. Signaling.
2. LED lights.
3. Watch.
4. Walkie-talkies.
5. Radio receivers.
6. 27A battery can be used in power banks.
7. Control panels.
8. Toys.
9. Cameras.
10. Contactless key.
11. Medical devices.
12. Devices for reading information from bank cards.

These devices require one 12-volt battery. However, there are devices where one battery is not enough. Before purchasing, check how many 27A 12-volt batteries are needed.

27A 12V battery analogs

There are a number of substitutes which will be presented below:

• GP27A;
• V27A;
• L828;
• A27BP;
• MN27;
• 8LR732;
• G27A;

These power elements can easily replace the 27A element.

Main manufacturing companies

This power supply is produced by many companies, but the following are popular:

1. GP – a company that has been manufacturing these batteries for quite some time. Their products are always of high quality.
2. Trophy. A manufacturer with a long-standing reputation for affordable, high-quality products.
3. VartaThe German company has been producing excellent power supplies for a long time.
4. Roboton. Produces batteries worthy of respect.
5. Cosmos. This is a domestic manufacturer. It produces various types of power sources, including 27A at 12V.
6. CamelionDespite being a Chinese company, the components that come off their assembly line are of fairly high quality.
7. DuracellA well-known company whose advertisements can still be seen on television to this day. It produces high-power batteries.
8. Sony. A company that produces not only 27A batteries with good capacity, but also electronics with a long service life.
9. PanasonicThey create elements with energy that can cope well with adverse environmental conditions.
10. Energizer. Engaged in the production of long-life alkaline batteries.

Tips for buying a 27A battery

• Don't confuse with a23They have the same voltage, but their parameters are different.
• Look at the casing and check the expiration date. Also, check the production date. Every battery self-discharges. The more time has passed since production, the less energy remains in the battery.

27A charging methods

As you know, this battery doesn't charge. However, the voltage level can be temporarily increased using the following methods:

• Heat a 27A battery on a stove or in hot water.
• Using a mobile phone charger, you can take two wires and connect them to the battery. Before doing this, use a tester to confirm the positive and negative terminals of the power supply. Then connect them according to the correct polarity. Otherwise, the battery may drain even more. This procedure should be performed with extreme caution and avoid exposure to extreme heat. An explosion is possible.

You can use all these methods at your own risk.