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  2. Battery indicator - Wikipedia

    en.wikipedia.org/wiki/Battery_indicator

    A battery indicator (also known as a battery gauge) is a device which gives information about a battery. This will usually be a visual indication of the battery's state of charge . It is particularly important in the case of a battery electric vehicle .

  3. State of charge - Wikipedia

    en.wikipedia.org/wiki/State_of_charge

    In a battery electric vehicle (BEV), the state of charge indicates the remaining energy in the battery pack. [4] It is the equivalent of a fuel gauge.. The state of charge can help to reduce electrical car's owners' anxiety when they are waiting in the line or stay at home since it will reflect the progress of charging and let owners know when it will be ready. [5]

  4. 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 state of health and state of charge), [1] calculating secondary data, reporting that data, controlling its environment ...

  5. Fuel gauge - Wikipedia

    en.wikipedia.org/wiki/Fuel_gauge

    When the tank level is high and maximum current is flowing, the needle points to "F" indicating a full tank. When the tank is empty and the least current is flowing, the needle points to "E" indicating an empty tank; some vehicles use the indicators "1" (for full) and "0" (for empty) or "R" (for reserve) instead. [4]

  6. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    Simple AC-powered battery chargers usually have much higher ripple current and ripple voltage than other kinds of battery chargers because they are inexpensively designed and built. Generally, when the ripple current is within a battery's manufacturer recommended level, the ripple voltage will also be well within the recommended level.

  7. The best sunrise alarm clocks of 2025 - AOL

    www.aol.com/lifestyle/best-sunrise-alarm-clocks...

    Lexon says the battery will fully recharge in 5 hours. ... psychiatric level that would need to be addressed if they're more severe symptoms.” ... “Sunlight is the strongest kind of indicator ...