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  2. MagSafe (wireless charger) - Wikipedia

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

    The first version of the MagSafe Charger, released in 2020, delivers up to 15 W of power to iPhones 12, 12 Pro, and newer, with the exception of iPhone 12 Mini and 13 Mini, which support 12 W. [12] The Wall Street Journal found the MagSafe Charger charged at half the speed of a 20 W wired charger. [13] Being a Qi charger, the MagSafe Charger ...

  3. Failure of electronic components - Wikipedia

    en.wikipedia.org/wiki/Failure_of_electronic...

    Degradation of I DSS [12] by gate sinking and hydrogen poisoning. This failure is the most common and easiest to detect, and is affected by reduction of the active channel of the transistor in gate sinking and depletion of the donor density in the active channel for hydrogen poisoning. Degradation in gate leakage current. This occurs at ...

  4. Lightning (connector) - Wikipedia

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

    The 2nd generation AirPods Pro was updated to a USB-C charging case and the MagSafe Duo Charger and MagSafe Battery Pack, which used the Lightning connector, were discontinued. [ 19 ] The Lightning connector (used on iPhone 5 until iPhone 14 ) has a technical constraint that limits video output using the Lightning Digital AV HDMI Adapter to a ...

  5. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    [13] [16] [91] Capacitive coupling has recently been applied to charging battery powered portable devices [4] as well as charging or continuous wireless power transfer in biomedical implants, [5] [6] [7] and is being considered as a means of transferring power between substrate layers in integrated circuits.

  6. Qi (standard) - Wikipedia

    en.wikipedia.org/wiki/Qi_(standard)

    Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]

  7. Charge cycle - Wikipedia

    en.wikipedia.org/wiki/Charge_cycle

    A charge cycle is the process of charging a rechargeable battery and discharging it as required into a load.The term is typically used to specify a battery's expected life, as the number of charge cycles affects life more than the mere passage of time.

  8. Solar charger - Wikipedia

    en.wikipedia.org/wiki/Solar_charger

    One such is the Strawberry Tree public solar charger. [4] [5] [6] Street Charge was a solar-powered phone charging station developed by NRG Energy, Inc., designed to grant free phone charging services to pedestrians and tourists. [7] The charging stations can also be modified to emit Wi-Fi signals and display advertisements.

  9. Air mass - Wikipedia

    en.wikipedia.org/wiki/Air_mass

    Occasionally, one may also encounter the use of an apostrophe or "degree tick" denoting that a given air mass having the same notation as another it is replacing is colder than the replaced air mass (usually for polar air masses). For example, a series of fronts over the Pacific might show an air mass denoted mPk followed by another denoted mPk ...