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  2. Samsung Galaxy S21 - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_S21

    The lineup of the first three devices was unveiled at Samsung's Galaxy Unpacked event on 14 January 2021. The three devices served as the successors of the 2020 models. All devices' design scheme has changed drastically, redesigning the massive rear-camera module for a slimmer camera module incorporated with the buttons and a uniform appearance for the S21, S21+, and S21 Ultra.

  3. Universal charger - Wikipedia

    en.wikipedia.org/wiki/Universal_charger

    Universal charger or common charger refers to various projects to standardize the connectors of power supplies, particularly for battery-powered devices. Since the publication of the USB Power Delivery standard in 2012, and the USB-C connector in 2014, USB-C has become a widespread standard for charging mobile phones.

  4. Samsung Galaxy S20 - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_S20

    The Samsung Galaxy S20 Tactical Edition (TE) is a touchscreen-enabled, slate-format Android smartphone [59] designed, developed, and marketed by Samsung Electronics. [ 60 ] [ 61 ] The device is built matching the needs of operators in the federal government and Department of Defense.

  5. 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 and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.

  6. Samsung - Wikipedia

    en.wikipedia.org/wiki/Samsung

    Samsung became the world's largest producer of memory chips in 1992 and is the world's second-largest chipmaker after Intel (see Worldwide Top 20 Semiconductor Market Share Ranking Year by Year). [32] In 1995, it created its first liquid-crystal display screen. Samsung grew to be the world's largest manufacturer of liquid-crystal display panels.

  7. Qi (standard) - Wikipedia

    en.wikipedia.org/wiki/Qi_(standard)

    Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]

  8. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    Inductive chargers produce more waste heat than wired chargers, which may negatively impact battery longevity. [ 14 ] [ better source needed ] An amateur 2020 analysis of energy use conducted with a Pixel 4 found that a wired charge from 0 to 100 percent consumed 14.26 Wh ( watt-hours ), while a wireless charging stand used 19.8 Wh, an increase ...

  9. Smartphone - Wikipedia

    en.wikipedia.org/wiki/Smartphone

    In Q2 2016, Samsung had a 22.3% share and Apple had 12.9%. [292] In Q1 2017, IDC reported that Samsung was first placed, with 80 million units, followed by Apple with 50.8 million, Huawei with 34.6 million, Oppo with 25.5 million and Vivo with 22.7 million. [293] Samsung's mobile business is half the size of Apple's, by revenue.

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