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  2. List of iPad accessories - Wikipedia

    en.wikipedia.org/wiki/List_of_iPad_accessories

    The iPad is an iPadOS-based (previously iOS) line of tablet computers designed and developed by Apple Inc.; it has a wide variety of accessories made by Apple available for it, including a screen cover specifically for the respective models of iPad called Smart Cover, as well as a number of accessories to allow the iPad to connect to other devices, some of which enable non-touchscreen input.

  3. Lightning (connector) - Wikipedia

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

    A known failure mode of Lightning plugs is power contacts turning black over time, sometimes causing the affected side of the connector to cease functioning. When the plug is inserted or unplugged while powered, a brief spark may occur between the mating power contacts in the plug and socket, eroding their gold plating. Because the Lightning ...

  4. Charge controller - Wikipedia

    en.wikipedia.org/wiki/Charge_controller

    It may also prevent completely draining ("deep discharging") a battery, or perform controlled discharges, depending on the battery technology, to protect battery life. [ 3 ] [ 4 ] The terms "charge controller" or "charge regulator" may refer to either a stand-alone device, or to control circuitry integrated within a battery pack, battery ...

  5. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    The C-rate is defined as the charge or discharge current divided by the battery's capacity to store an electrical charge. While rarely stated explicitly, the unit of the C-rate is h −1, equivalent to stating the battery's capacity to store an electrical charge in unit hour times current in the same unit as the charge or discharge current. The ...

  6. Battery pack - Wikipedia

    en.wikipedia.org/wiki/Battery_pack

    A power bank is a portable device consisting of a battery, a charger to interface battery with charging power source and an output interface to provide desired output voltage. [10] Power banks are made in various sizes and typically based on lithium-ion batteries. A power bank contains battery cells and a voltage converter circuitry.

  7. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!

  8. Cutoff voltage - Wikipedia

    en.wikipedia.org/wiki/Cutoff_voltage

    The power to the equipment cuts off before a relatively large portion of the battery life has been used. [citation needed] A high cut-off voltage is more widespread than perhaps assumed. For example, a certain brand of mobile phone that is powered with a single-cell Lithium-ion battery cuts off at 3.3 V.

  9. AOL Mail

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    AOL Mail is free and helps keep you safe. From security to personalization, AOL Mail helps manage your digital life Start for free