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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. Lead–acid battery - Wikipedia

   en.wikipedia.org/wiki/Lead–acid_battery

   The battery's open-circuit voltage can also be used to gauge the state of charge. [15] If the connections to the individual cells are accessible, then the state of charge of each cell can be determined which can provide a guide as to the state of health of the battery as a whole; otherwise, the overall battery voltage may be assessed.

5. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.

6. Apple Watch - Wikipedia

   en.wikipedia.org/wiki/Apple_Watch

   Apple rates the device's battery for 18 hours of mixed usage. [52] [61] Apple Watch is charged by means of inductive charging. [5] If the watch's battery depletes to less than 10 percent, the user is alerted and offered to enable Low Power Mode, which allows the user to continually use the watch while some features are disabled.

7. Liberal leaders say they have a plan for a new, more ... - AOL

   www.aol.com/liberal-leaders-plan-more-effective...

   The question has loomed over Democrats and their allies since Donald Trump was elected to a second term: Do party leaders and liberal, pro-democracy activists have the juice to launch a passionate ...

8. List of digital keys in mobile wallets - Wikipedia

   en.wikipedia.org/wiki/List_of_digital_keys_in...

   Google Wallet, Samsung Wallet, and Apple Wallet are capable of the following remote commands for supported vehicles: unlocking, locking, sounding the horn, and opening/closing the trunk. In addition, Samsung Wallet and Apple Wallet also support remote climate controls. [55] *Google Wallet for Wear OS only supports BMW and MINI vehicle keys. [56]

9. Lithium-ion battery - Wikipedia

   en.wikipedia.org/wiki/Lithium-ion_battery

   A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.