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  2. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    The run-time for a battery-operated UPS depends on the type and size of batteries and rate of discharge, and the efficiency of the inverter. The total capacity of a lead–acid battery is a function of the rate at which it is discharged, which is described as Peukert's law. Manufacturers supply run-time rating in minutes for packaged UPS systems.

  3. ThinkPad X series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_X_series

    According to Lenovo, the ThinkPad X-series laptops include low power processors, offer long battery life, and several durability features such as a Roll Cage (Magnesium Frame around the Display), magnesium alloy covers, and a spill-resistant keyboard [7] but currently lacks a replaceable battery and upgradable RAM slots. Battery configuration

  4. ThinkPad E series - Wikipedia

    en.wikipedia.org/wiki/ThinkPad_E_series

    [6] Engadget also tested the battery life of the Edge 13 and discovered that "Lenovo's battery life prediction of seven hours is pretty on the mark." The Edge 13's battery lasted 5 hours and 12 minutes. [6] Laptop Magazine reviewed the ThinkPad Edge 14 and found it was "the most compelling 14-inch small business notebook on the market today." [7]

  5. Backup battery - Wikipedia

    en.wikipedia.org/wiki/Backup_battery

    A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers.

  6. Lenovo Yoga - Wikipedia

    en.wikipedia.org/wiki/Lenovo_Yoga

    The Yoga Tablet 2 with AnyPen is a Windows-based tablet computer with an 8-inch 1080p display. It weighs .43 kg and Lenovo claims it has a battery life of 15 hours. Lenovo's AnyPen technology allows the use of pencils, ballpoint pens, and other traditional writing instruments to write on the screen like a stylus.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. 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 ...

  9. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    Rather than becoming unsafe, they lose potency slowly over time.” If they’re stored in optimal conditions, you can get the most bang for your buck. Best case scenario, the average shelf-life ...

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