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  2. IUoU battery charging - Wikipedia

    en.wikipedia.org/wiki/IUoU_battery_charging

    As a result of this current, the battery absorbs a charge and its voltage rises. The charger limits the maximum voltage to U max, a constant or temperature-dependent maximum, typically around 2.4 V per cell. Once the U max voltage is reached, typically when the battery is charged to 70–80% of its capacity, [1] the charger enters the Uo-phase ...

  3. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

  4. Quick Charge - Wikipedia

    en.wikipedia.org/wiki/Quick_Charge

    Battery Saver Technologies aims to maintain at least 80% of the battery's original charge capacity after 500 charge cycles. [6] Qualcomm claims Quick Charge 3.0 is up to 4–6 °C cooler, 16% faster and 38% more efficient than Quick Charge 2.0, and that Quick Charge 3.0 with Dual Charge+ is up to 7–8 °C cooler, 27% faster and 45% more ...

  5. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    The main 50/60 Hz transformer used to convert between line voltage and battery voltage needs to provide two slightly different turns ratios: One to convert the battery output voltage (typically a multiple of 12 V) to line voltage, and a second one to convert the line voltage to a slightly higher battery charging voltage (such as a multiple of ...

  6. Solar charger - Wikipedia

    en.wikipedia.org/wiki/Solar_charger

    A solar charger is a charger that employs solar energy to supply electricity to devices or batteries. They are generally portable. Solar chargers can charge lead acid or Ni-Cd battery banks up to 48 V and hundreds of ampere hours (up to 4000 Ah) capacity. Such type of solar charger setups generally use an intelligent charge controller.

  7. Microsoft CEO Nadella's 2024 pay rose 63% to $79 million on ...

    www.aol.com/news/microsoft-ceo-nadellas-2024-pay...

    Stock awards for Nadella, who earned $48.5 million in 2023, climbed to about $71 million from $39 million a year earlier. Microsoft's shares had gained about 31.2% during the fiscal year ended ...

  8. Rechargeable battery - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_battery

    A rechargeable battery, storage battery, or secondary cell (formally a type of energy accumulator), is a type of electrical battery which can be charged, discharged into a load, and recharged many times, as opposed to a disposable or primary battery, which is supplied fully charged and discarded after use.

  9. Charge pump - Wikipedia

    en.wikipedia.org/wiki/Charge_pump

    The Samsung Galaxy S23, which takes an input current of 3 A, can charge its internal battery packs at 6 A thanks to a 2:1 current pump. [3] Oppo's 240 W SUPERVOOC goes further and uses three charge pumps in parallel (98% claimed efficiency [ 4 ] ) to go from 24V/10A to 10V/24A, which is then taken by two parallel battery packs.

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