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  2. 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. Discharging the battery fully before recharging may be called "deep discharge"; partially ...

  3. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    Uninterruptible power supply. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails. A UPS differs from a traditional auxiliary / emergency power system or standby generator in that it will ...

  4. 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%, giving ...

  5. Memory effect - Wikipedia

    en.wikipedia.org/wiki/Memory_effect

    Memory effect, also known as battery effect, lazy battery effect, or battery memory, is an effect observed in nickel-cadmium rechargeable batteries that causes them to hold less charge. [ 1 ] [ 2 ] It describes the situation in which nickel-cadmium batteries gradually lose their maximum energy capacity if they are repeatedly recharged after ...

  6. Battery management system - Wikipedia

    en.wikipedia.org/wiki/Battery_management_system

    A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack) by facilitating the safe usage and a long life of the battery in practical scenarios while monitoring and estimating its various states (such as SoH, and SoC), [1] calculating secondary data, reporting that data, controlling its environment, authenticating or balancing it. [2]

  7. HP Prime - Wikipedia

    en.wikipedia.org/wiki/HP_Prime

    The G1 model calculator has a 1,500 mAh battery, which is expected to last up to 15 hours on a single charge. The G2 model comes with a battery with a capacity of 2,000 mAh. Unlike the HP 50g and its predecessors, the HP Prime does not have an SD card slot and does not feature a beeper.

  8. Peukert's law - Wikipedia

    en.wikipedia.org/wiki/Peukert's_law

    Peukert's law. Peukert's law, presented by the German scientist Wilhelm Peukert [de] in 1897, expresses approximately the change in capacity of rechargeable lead–acid batteries at different rates of discharge. As the rate of discharge increases, the battery's available capacity decreases, approximately according to Peukert's law.

  9. A computer on your face? Snap and others still trying ... - AOL

    www.aol.com/news/computer-face-snap-others-still...

    Snap has not said what it will charge for its latest glasses should they become available to the public. Read more:Evan Spiegel: The old man of social media . Snap's glasses remain a work in progress.