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  2. 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.

  3. Battery room - Wikipedia

    en.wikipedia.org/wiki/Battery_room

    The number of air changes per hour required to prevent unsafe accumulation can be calculated from the number of cells and the charging current, given the chemistry of the battery. [ 3 ] The life span of secondary batteries is reduced at high temperature and the energy storage capacity is reduced at low temperature, so a battery room must have ...

  4. Hurricane-proof building - Wikipedia

    en.wikipedia.org/wiki/Hurricane-proof_building

    A Category 5 hurricane-proof log house is resistant to winds up to 245 miles per hour (394 km/h). Wall logs in such construction must be made of glued laminated timber and all other components of the house, including hurricane straps, must be hurricane-resistant.

  5. Battery nomenclature - Wikipedia

    en.wikipedia.org/wiki/Battery_nomenclature

    A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...

  6. Primary battery - Wikipedia

    en.wikipedia.org/wiki/Primary_battery

    A variety of standard sizes of primary cells. From left: 4.5V multicell battery, D, C, AA, AAA, AAAA, A23, 9V multicell battery, (top) LR44, (bottom) CR2032 A primary battery or primary cell is a battery (a galvanic cell) that is designed to be used once and discarded, and it is not rechargeable unlike a secondary cell (rechargeable battery).

  7. D battery - Wikipedia

    en.wikipedia.org/wiki/D_battery

    During World War II, it was designated the Type C battery by the U.S. Navy, leading to confusion with the smaller C cell battery (BA-42). In 2007, D batteries accounted for 8% of alkaline primary battery sales (numerically) in the U.S. In 2008, Swiss purchases of D batteries amounted to 3.4% of primary and 1.4% of secondary (rechargeable) sales ...

  8. Comparison of commercial battery types - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_commercial...

    Low self-discharge nickel–metal hydride battery: 500–1,500 [14] Lithium cobalt oxide: 90 500–1,000 Lithium–titanate: 85–90 6,000–30,000 to 90% capacity

  9. Molten-salt battery - Wikipedia

    en.wikipedia.org/wiki/Molten-salt_battery

    For comparison, [citation needed] LiFePO 4 lithium iron phosphate batteries store 90–110 Wh/kg, and the more common LiCoO 2 lithium-ion batteries store 150–200 Wh/kg. A nano lithium-titanate battery stores 72 Wh/kg and can provide power of 760 W/kg.