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2. TV Ears - Wikipedia

   en.wikipedia.org/wiki/Tv_ears

   TV Ears is an American, privately held audio technology company that specializes in voice clarifying television products for the hearing impaired. It was founded in April 1998 by George Dennis. [ 1 ] They are located in Spring Valley, California , where they house the North American distribution center, support, and sales teams, while employing ...

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. iDog - Wikipedia

   en.wikipedia.org/wiki/IDog

   The iDog Pup, a puppy version of the iDog with poseable ears and a moving head, was released in 2007 and was a localized version of the iDog Mini released in Japan in 2005. Also in 2007, two variants called "SpiDogs" were released to promote the film Spider-Man 3. They resemble the standard red Spider-Man costume and the black costume. In 2008 ...

5. AA battery - Wikipedia

   en.wikipedia.org/wiki/AA_battery

   A Li-ion 1.5V AA-size battery, sold by the Chinese company Kentli as "Kentli PH5" since 2014 and with similar batteries later available from other suppliers is a AA-sized battery housing containing a rechargeable 3.7 V Li-ion cell with an internal buck converter at the positive terminal to reduce the output voltage to 1.5 V. [19] The Kentli ...

6. 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 ...

7. 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.

8. Nakamichi - Wikipedia

   en.wikipedia.org/wiki/Nakamichi

   Another follow-on flagship head unit was the TP-1200, which consisted of a head unit and a separate 'black box' pre-amp section. The casing for both units was made from machined aluminum, and the internal circuitry for both units was suspended using a mechanical suspension system. The head unit contained a diversity tuner and display unit only.

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.