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2. A27 battery - Wikipedia

   en.wikipedia.org/wiki/A27_battery

   An A27 battery is cylindrical, 27.8 mm (1.09 in) long [1] [4] and 7.7 mm (0.30 in) in diameter, with a typical weight of 4.4 grams, and a typical capacity around 20 mAh. It has a nominal voltage of 12 V. It is similar to the A23 battery, with almost the same length and the same nominal voltage, but thinner and made of eight LR732 button cells. [5]

3. A23 battery - Wikipedia

   en.wikipedia.org/wiki/A23_battery

   An A23 battery is cylindrical and approximately two-thirds the length of an AAA battery, measuring 28.2 mm (1.11 in) long and 10.0 mm (0.39 in) in diameter, with a typical weight of 8 grams. An A23 battery is an 8- cell device with a nominal voltage of 12 V.

4. Cutoff voltage - Wikipedia

   en.wikipedia.org/wiki/Cutoff_voltage

   The cut-off voltage is different from one battery to the other and it is highly dependent on the type of battery and the kind of service in which the battery is used. When testing the capacity of a NiMH or NiCd battery a cut-off voltage of 1.0 V per cell is normally used, whereas 0.9 V is normally used as the cut-off voltage of an alkaline cell ...

5. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

6. Battery balancing - Wikipedia

   en.wikipedia.org/wiki/Battery_balancing

   Battery balancing and battery redistribution refer to techniques that improve the available capacity of a battery pack with multiple cells (usually in series) and increase each cell's longevity. [1] A battery balancer or battery regulator is an electrical device in a battery pack that performs battery balancing. [ 2 ]

7. 12-volt battery - Wikipedia

   en.wikipedia.org/wiki/12-volt_battery

   12-volt battery may refer to: Automotive battery; Lantern battery; A23 battery, for RF transmitters This page was last edited on 23 August 2019, at 15:27 (UTC) ...

8. Automobile auxiliary power outlet - Wikipedia

   en.wikipedia.org/wiki/Automobile_auxiliary_power...

   In Europe, 12 volt plugs and sockets are not specially regulated and do not require approvals for the CE mark. [citation needed] The male plug is sometimes used to feed power into a vehicle to recharge its battery because it usually has no regulatory circuitry between the outlet and the car battery. For instance, portable solar battery ...

9. Automotive battery - Wikipedia

   en.wikipedia.org/wiki/Automotive_battery

   A typical 12 V, 40 Ah lead-acid car battery. An automotive battery, or car battery, is a rechargeable battery that is used to start a motor vehicle.. Its main purpose is to provide an electric current to the electric-powered starting motor, which in turn starts the chemically-powered internal combustion engine that actually propels the vehicle.