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2. Vacuum tube battery - Wikipedia

   en.wikipedia.org/wiki/Vacuum_tube_battery

   A modified No. 6 cell was often used, later packs of multiple F-cells were used. In the early days of transistor radio, a single G-cell would often be used as the A battery. Eveready 762-S "B" battery with 45-volt & 22.5-volt tap screw terminals. The "B" battery is used to provide the plate voltage. It is sometimes colloquially referred to as a ...

3. Burgess Battery Company - Wikipedia

   en.wikipedia.org/wiki/Burgess_Battery_Company

   In 1907, he became a consultant to the nearby French Battery Company (later renamed The Ray-O-Vac Company). He was charged with improvement of the French No. 6 battery [1] — the large 6-inch-tall, single-cell battery used for automobile ignition, railroad signals, telephones, doorbells and other electrical devices. Burgess was put in charge ...

4. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   4 cell from A123 Systems for radio control hobby use. Also used in larger, high-powered LED flashlights and some electronic cigarettes. This size is sometimes used in devices that can take either one 26650 or three AAA cells in series in a cylindrical 3-cell battery carrier. 26700: 4,000-5,000 26: 70 LiFePO4 cells. 26800: 5,500–6,800 [229] 26 80

5. We tested Zepp Clarity hearing aids and here's everything we ...

   www.aol.com/lifestyle/zepp-clarity-hearing-aids...

   Key features: — Over-the-ear design rests on top of the ears — Bluetooth connectivity for phone calls and streaming audio — Battery charges in three hours for up to 18 hours of use

6. Dry cell - Wikipedia

   en.wikipedia.org/wiki/Dry_cell

   A common dry cell is the zinc–carbon cell, sometimes called the dry Leclanché cell, with a nominal voltage of 1.5 volts, the same as the alkaline cell (since both use the same zinc–manganese dioxide combination). A standard dry cell comprises a zinc anode, usually in the form of a cylindrical pot, with a carbon cathode in the form of a ...

7. List of battery types - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_types

   This list is a summary of notable electric battery types composed of one or more electrochemical cells. Three lists are provided in the table. Three lists are provided in the table. The primary (non-rechargeable) and secondary (rechargeable) cell lists are lists of battery chemistry.