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  2. Redmi 7 - Wikipedia

    en.wikipedia.org/wiki/Redmi_7

    Charging: 10 W: Rear camera: 12 MP, f/2.2, 1/2.9", 1.25 μm, PDAF; ... The Redmi 7 is an Android-based smartphone as part of the Redmi series, a sub-brand of Xiaomi ...

  3. Smartphone - Wikipedia

    en.wikipedia.org/wiki/Smartphone

    These include a sealed body that does not allow replacing the battery, a lack of the physical audio connector (since the iPhone 7 from 2016), a screen with a cut-out area at the top for the earphone and front-facing camera and sensors (colloquially known as "notch"; since the iPhone X from 2017), the exclusion of a charging wall adapter from ...

  4. List of Xiaomi products - Wikipedia

    en.wikipedia.org/wiki/List_of_Xiaomi_products

    Magnetic charging ≤ 2 hours to 100% Magnetic charging ≤ 1 hours to 100% Magnetic charging ≤ 1 hours to 100% Magnetic fast charging Weight 13.0 g 14.0 g 19.0 g 19.0 g 20.0 g 22.1 g 11.9 g 12.1 g (NFC Model) 12.8 g 13.0 g (NFC Model) 13.5 g 13.8 g (NFC Model) 20.5 g 27.0 g ? g (NFC Model) Release Date 22 July 2014 7 November 2015 7 June 2016

  5. IUoU battery charging - Wikipedia

    en.wikipedia.org/wiki/IUoU_battery_charging

    Example charging graph. On the left: per-cell quantities. On the right: example values for a 40 Ah, 6-cell (12 V) battery. Note: schematic illustration; not based on actual measurements. IUoU is a DIN-designation [1] (DIN 41773) for a lead-acid battery charging procedure that is also known as 3-stage charging, 3-phase charging, or 3-step charging.

  6. Redmi 7A - Wikipedia

    en.wikipedia.org/wiki/Redmi_7a

    The smartphone is available in three colour variants — Matte Blue, Matte Gold, and Matte Black. Redmi 7A comes in two storage variants, 2/3 GB RAM and 16/32 GB with 5.45-inch HD+ display. Redmi 7A pricing starts at ₹5,999 for 16 GB And ₹6,199 for 32 GB [1] The smartphone was predecessor to Xiaomi Redmi Note 8A which was released the same ...

  7. Android (operating system) - Wikipedia

    en.wikipedia.org/wiki/Android_(operating_system)

    When connecting or disconnecting charging power and when shortly actuating the power button or home button, all while the device is powered off, a visual battery meter whose appearance varies among vendors appears on the screen, allowing the user to quickly assess the charge status of a powered-off without having to boot it up first.

  8. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    Charging a 12 V lead–acid car battery A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it.

  9. List of Qualcomm Snapdragon systems on chips - Wikipedia

    en.wikipedia.org/wiki/List_of_Qualcomm...

    The 821 provides a 10% improvement in performance over the 820 due to a faster clocked CPU, but otherwise has similar features, with Qualcomm stating that the 821 is designed to complement rather than replace the 820. [194] Notable features over its predecessor (820): CPU features Faster CPU (+10%) GPU features Faster GPU 650 MHz from 624 (+5%)