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  2. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    An example is the HP EliteBook 6930p when used with its ultra-capacity battery. [60] Laptops with removable batteries may support larger replacement batteries with extended capacity. A laptop's battery is charged using an external power supply, which is plugged into a wall outlet. The power supply outputs a DC voltage typically in the range of ...

  3. Framework Computer - Wikipedia

    en.wikipedia.org/wiki/Framework_Computer

    Framework claims that the Chromebook edition has upgraded speakers and batteries compared to the standard laptop, but the speakers were described as "muffled" by ZDnet and the battery life was rated as quite poor for a Chromebook by ZDnet, Engadget, and PCMag. Engadget and PCMag criticize the price relative to other Chromebooks, but the former ...

  4. Surface Laptop (1st generation) - Wikipedia

    en.wikipedia.org/wiki/Surface_Laptop_(1st...

    Unlike the other products, the Surface Laptop is aimed toward students. Microsoft claims a 14.5-hour battery life when running Windows 10 S, but testing suggests that the battery can be depleted to 50% in just 2.5 hours. [6] It comes in four colors: Platinum, Graphite Gold, Burgundy, and Cobalt Blue as advertised.

  5. Smart battery - Wikipedia

    en.wikipedia.org/wiki/Smart_battery

    A smart battery or a smart battery pack is a rechargeable battery pack with a built-in battery management system (BMS), usually designed for use in a portable computer such as a laptop. [ 1 ] [ 2 ] In addition to the usual positive and negative terminals, a smart battery has two or more terminals to connect to the BMS; typically the negative ...

  6. Electric battery - Wikipedia

    en.wikipedia.org/wiki/Electric_battery

    An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2]

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  9. Backup battery - Wikipedia

    en.wikipedia.org/wiki/Backup_battery

    A valve-regulated lead-acid battery is a battery type that is popular in telecommunications network environments as a reliable backup power source. VRLA batteries are used in the outside plant at locations such as Controlled Environmental Vaults (CEVs), Electronic Equipment Enclosures (EEEs), and huts, and in uncontrolled structures such as ...

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