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  2. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/wiki/Mechanically_powered...

    A version using a pull-cord was used in World War I. [2] The photo shows the internal mechanism: the L-shaped handle has a gear rack , which spins the white step-up gear, which in turn spins the flywheel on which is mounted both a centrifugal clutch (to allow freewheeling after the lever stops its travel and then returns) and a dark grey magnet ...

  3. Lightning (connector) - Wikipedia

    en.wikipedia.org/wiki/Lightning_(connector)

    The Lightning connector was introduced on September 12, 2012, with the iPhone 5, as a replacement for the 30-pin dock connector. [3] The iPod Touch (5th generation), iPod Nano (7th generation), [4] iPad (4th generation) and iPad Mini (1st generation) followed in October and November 2012 as the first devices with Lightning.

  4. IEC 60320 - Wikipedia

    en.wikipedia.org/wiki/IEC_60320

    A variety of different kinds of IEC 60320 plugs and sockets. IEC 60320 Appliance couplers for household and similar general purposes [1] is a set of standards from the International Electrotechnical Commission (IEC) specifying non-locking connectors for connecting power supply cords to electrical appliances of voltage not exceeding 250 V (a.c.) and rated current not exceeding 16 A. [1 ...

  5. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    It should not be confused with a smart battery that contains a computer chip and communicates digitally with a smart charger about battery condition. A smart battery requires a smart charger. Some smart chargers can also charge "dumb" batteries, which lack any internal electronics. The output current of a smart charger depends upon the battery ...

  6. MagSafe (wireless charger) - Wikipedia

    en.wikipedia.org/wiki/MagSafe_(wireless_charger)

    It contains a 11.13 W⋅h, 1,460 mA⋅h battery that on its own can charge an iPhone at up to 7.5 W. [27] While the pack is being charged via Lightning it can charge an iPhone at up to 15 W. The pack itself can be charged either directly through its Lightning port or wirelessly from an iPhone that is being charged via Lightning.

  7. Xiaomi founder Lei Jun followed Apple into the EV market. He ...

    www.aol.com/finance/xiaomi-founder-lei-jun...

    Both Xiaomi and its founder, Lei Jun, are big fans of Apple. The Chinese smartphone maker embraces Apple-like designs in its products and advertising, leading some to dub the company "the Apple of ...

  8. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    Charging with induction (left image) creates more waste heat than using a cable (right image). The following disadvantages have been noted for low-power (i.e., less than 100 watts) inductive charging devices, and may not apply to high-power (i.e., greater than 5 kilowatts) electric vehicle inductive charging systems. [citation needed]

  9. Automobile auxiliary power outlet - Wikipedia

    en.wikipedia.org/wiki/Automobile_auxiliary_power...

    Plus in newer cars, the power output from the lighter plug is so reliable that it can charge laptops, without any voltage problems. Standardized 12 volt DC automobile plugs are defined in the United States by UL Standard 2089 regarding vehicle battery adapters. This standard covers plugs and cord sets that insert into cigarette lighter receptacles.