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2. Duracell - Wikipedia

   en.wikipedia.org/wiki/Duracell

   Duracell Inc. Duracell Inc. is an American manufacturer of alkaline batteries, specialty cells, and rechargeables; it is a wholly owned subsidiary of Berkshire Hathaway since 2016. The company has its origins in the 1920s, through the work of Samuel Ruben and Philip Mallory, and the formation of the P. R. Mallory Company.

3. Battery charger - Wikipedia

   en.wikipedia.org/wiki/Battery_charger

   Battery charger. Charging a 12 V lead–acid car battery. A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1][2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage, amperes, current, for how long and what to do ...

4. Powermat Technologies - Wikipedia

   en.wikipedia.org/wiki/Powermat_Technologies

   In addition, Duracell Powermat charging spots were embedded in Jay-Z's 40/40 Club NYC club tables. [7] A year later, Powermat Technologies, along with Procter & Gamble, founded the Power Matters Alliance, an alliance of semiconductor and consumer electronics industries as well as governmental organizations. The alliance is dedicated to ...

5. P. R. Mallory and Co Inc - Wikipedia

   en.wikipedia.org/wiki/P._R._Mallory_and_Co_Inc

   A photoflash battery with the Mallory logo. P. R. Mallory and Co Inc was a US producer of dry cell batteries (Mercury; alkaline Duracell), electronic components including electrolytic capacitors, and audible warning devices ("Sonalert"). It also was the parent firm of Mallory Batteries Ltd., an Irish producer of Ever Ready batteries.

6. Nine-volt battery - Wikipedia

   en.wikipedia.org/wiki/Nine-volt_battery

   Nine-volt battery. The nine-volt battery, or 9-volt battery, is an electric battery that supplies a nominal voltage of 9 volts. Actual voltage measures 7.2 to 9.6 volts, depending on battery chemistry. Batteries of various sizes and capacities are manufactured; a very common size is known as PP3, introduced for early transistor radios.

7. Rechargeable battery - Wikipedia

   en.wikipedia.org/wiki/Rechargeable_battery

   Rechargeable battery. A battery bank used for an uninterruptible power supply in a data center. A rechargeable lithium polymer mobile phone battery. A common consumer battery charger for rechargeable AA and AAA batteries. A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical ...