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  2. Batterygate - Wikipedia

    en.wikipedia.org/wiki/Batterygate

    The controversy first emerged in late-2016, when it was reported that since a recent iOS update, some iPhone handsets had begun to experience unexpected shutdowns when their battery capacity reached 30%, caused by drops in the battery's terminal voltage below a threshold of around three volts required for operation of the device.

  3. Capacity loss - Wikipedia

    en.wikipedia.org/wiki/Capacity_loss

    Capacity loss or capacity fading is a phenomenon observed in rechargeable battery usage where the amount of charge a battery can deliver at the rated voltage decreases with use. [ 1 ] [ 2 ] In 2003 it was reported the typical range of capacity loss in lithium-ion batteries after 500 charging and discharging cycles varied from 12.4% to 24.1% ...

  4. Charge cycle - Wikipedia

    en.wikipedia.org/wiki/Charge_cycle

    Discharging the battery fully before recharging may be called "deep discharge"; partially discharging then recharging may be called "shallow discharge". A "charge cycle" is not a unit of time; the length of time spent charging or discharging does not affect the number of charge cycles. [1] Each battery is affected differently by charge cycles ...

  5. Self-discharge - Wikipedia

    en.wikipedia.org/wiki/Self-discharge

    How fast self-discharge in a battery occurs is dependent on the type of battery, state of charge, charging current, ambient temperature and other factors. [2] Primary batteries are not designed for recharging between manufacturing and use, and thus to be practical they must have much lower self-discharge rates than older types of secondary cells.

  6. Float voltage - Wikipedia

    en.wikipedia.org/wiki/Float_voltage

    Float voltage is the voltage at which a battery is maintained after being fully charged to maintain that capacity by compensating for self-discharge of the battery. [1] The voltage could be held constant for the entire duration of the cell's operation (such as in an automotive battery) or could be held for a particular phase of charging by the charger. [2]

  7. UK man electrocuted in bath while charging iPhone - AOL

    www.aol.com/news/2017-03-21-uk-man-electrocuted...

    A U.K. man who was charging his iPhone while taking a bath accidentally electrocuted himself.

  8. Charge controller - Wikipedia

    en.wikipedia.org/wiki/Charge_controller

    A charge controller, charge regulator or battery regulator limits the rate at which electric current is added to or drawn from electric batteries to protect against electrical overload, overcharging, and may protect against overvoltage. [1] [2] This prevents conditions that reduce battery performance or lifespan and may pose a safety risk. It ...

  9. Fortnite is coming back to iPhone—but only in Europe for now

    www.aol.com/finance/fortnite-coming-back-iphone...

    More than three years after Epic Games removed Fortnite from Apple devices, the publisher/developer is ready to bring it back, but players in the U.S. will have to wait a while longer.