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  2. Lithium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-ion_battery

    A lithium-ion battery from a laptop computer . Batteries gradually self-discharge even if not connected and delivering current. Li-ion rechargeable batteries have a self-discharge rate typically stated by manufacturers to be 1.5–2% per month. [68] [69] The rate increases with temperature and state of charge.

  3. Laptop - Wikipedia

    en.wikipedia.org/wiki/Laptop

    An example is the HP EliteBook 6930p when used with its ultra-capacity battery. [63] 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 ...

  4. Surface Laptop 4 - Wikipedia

    en.wikipedia.org/wiki/Surface_Laptop_4

    The Surface Laptop 4 is a laptop computer made by Microsoft. [1] It is the fourth generation of Surface Laptop which launched on 13 April 2021. It succeeds the Surface Laptop 3, which was released in 2019. Surface Laptop 4 keeps the same form design and ports as its predecessor. The machine ships with an Intel 11th gen or AMD processor.

  5. 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] The terminal marked negative is the source of electrons.

  6. Dell XPS - Wikipedia

    en.wikipedia.org/wiki/Dell_XPS

    The computer can either have a 500 GB 7200 RPM SATA hard drive, or a 256 GB SSD. This laptop is an Ultrabook featuring a long battery life (claimed to be 9 hours of power) and a sleek aluminum unibody shell. [46]

  7. HP Pavilion dv9000 series - Wikipedia

    en.wikipedia.org/wiki/HP_Pavilion_dv9000_series

    The Pavilion dv9000 is the first model of the Pavilion dv9000 series of laptops, introduced in 2006. This model featured a 17.0" 16:10 LCD display housed in a clamshell-type case. Specific internal components can be custom-chosen by the consumer or pre-selected by the manufacturer for the retail market. Unique to this model series (as well as ...

  8. 18650 battery - Wikipedia

    en.wikipedia.org/wiki/18650_battery

    Panasonic 18650 batteries inside a laptop. Each cell has a capacity of 2450 mAh. An 18650 battery[1] or 1865 cell[2] is a cylindrical lithium-ion battery common in electronic devices. The batteries measure 18 mm (0.71 in) in diameter by 65 mm (2.56 in) in length, giving them the name 18650. [3] The battery comes in many nominal voltages ...

  9. MacBook Pro - Wikipedia

    en.wikipedia.org/wiki/MacBook_Pro

    The updated MacBook Pro 13- and the 15-inch would each have up to a claimed 7 hours of battery life, while the 17-inch would keep its 8-hour capacity. [32] [34] Some sources even reported up to eight hours of battery life for the 13- and 15-inch MacBook Pro computers during casual use, [35] while others reported around six hours. [27]

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