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  2. Techtronic Industries - Wikipedia

    en.wikipedia.org/wiki/Techtronic_Industries

    Techtronic Industries Company Limited (TTI Group or TTI) is a Hong Kong–based multinational company that designs, produces, and markets power tools, outdoor power equipment, hand tools, and floor care appliances. It pioneered cordless power tools powered by lithium-ion rechargeable batteries. [1] [3]

  3. Rechargeable battery - Wikipedia

    en.wikipedia.org/wiki/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 battery which can be ...

  4. Lithium-titanate battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-titanate_battery

    A disadvantage of lithium-titanate batteries is their lower inherent voltage (2.4 V), which leads to a lower specific energy (about 30–110 Wh/kg [1]) than conventional lithium-ion battery technologies, which have an inherent voltage of 3.7 V. [16] Some lithium-titanate batteries, however, have an volumetric energy density of up to 177 Wh/L. [1]

  5. Harbor Freight Tools - Wikipedia

    en.wikipedia.org/wiki/Harbor_Freight_Tools

    Harbor Freight Tools won a declassification of the class action; that is, the court found that all the individual situations were not similar enough to be judged as a single class, and that their claims would require an individual-by-individual inquiry, so the case could not be handled on a class basis.

  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 ...

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  8. Nickel–iron battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–iron_battery

    He developed the battery to be the battery of choice [22] for electric vehicles, which were the preferred transportation mode in the early 1900s (followed by gasoline and steam). Edison's batteries had a significantly higher energy density than the lead–acid batteries in use at the time, and could be charged in half the time; however, they ...

  9. Electric battery - Wikipedia

    en.wikipedia.org/wiki/Electric_battery

    Rechargeable batteries are (re)charged by applying electric current, which reverses the chemical reactions that occur during discharge/use. Devices to supply the appropriate current are called chargers. The oldest form of rechargeable battery is the lead–acid battery, which are widely used in automotive and boating applications.

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