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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.
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) ...
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]
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.
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.
4), the perceived energy capacity of a small UPS product that has multiple DC outputs at different voltages but is simply listed with a single ampere-hour rating, e.g., 8800 mAh, would be exaggerated by a factor of 3.75 compared to that of a sealed 12-volt lead-acid battery where the ampere-hour rating, e.g., 7 Ah, is based on the total output ...