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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. Button cell - Wikipedia

    en.wikipedia.org/wiki/Button_cell

    Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.

  4. 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).

  5. All of these Black Friday deals would make very good gifts - AOL

    www.aol.com/lifestyle/all-of-these-black-friday...

    It comes with a one-year warranty, boasts up to 10 hours of battery life on a single charge and has a 10.9-inch screen and 64GB storage. "[It] seamlessly pairs with the rest of my Apple devices ...

  6. Comparison of commercial battery types - Wikipedia

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

    Under certain conditions, some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion. As thermal runaway is determined not only by cell chemistry but also cell size, cell design and charge, only the worst-case values are reflected here. [63]

  7. These are the top 100 Black Friday deals, according to Walmart

    www.aol.com/lifestyle/these-are-the-top-100...

    It comes with a battery starter, LED light, and portable battery to keep you safe no matter where you are. $60 at Walmart. Other great outdoor deals: Goodyear All-Season Tire for $90 (save $30)

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