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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.
For instance, a single battery requests 8.8 V; the dual cell can then ask the PPS charger to output 17.6 volts and split it in half to the two separate batteries, providing 5.6 amps total to achieve 100 watts. The first phone supporting this technology was the Xiaomi Mi 10 Ultra. [11]
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.
Applications of inductive charging can be divided into two broad categories: Low power and high power: Low power applications are generally supportive of small consumer electronic devices such as cell phones, handheld devices, some computers, and similar devices which normally charge at power levels below 100 watts.
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]
[23] The larger camera array on the iPhone 13 Pro elevates the top end from the charger with a case, though charging is unaffected. [24] The MagSafe Duo does not support fast charging on Apple Watches released since 2021 (Series 7 and later, Ultra). [25] The MagSafe Duo was discontinued in September 2023. [26]
Solar cell phone charger. Solar cell phone chargers use solar panels to charge cell phone batteries.They can be used when no electricity supply is available—either mains or, for example, a vehicle battery—and are sometimes suggested as a way to charge phones without consuming mains electricity, unlike electrical cell phone chargers.
Case A: any charger connected to the mains (the mains supply cable is usually attached to the charger) usually associated with modes 1 or 2. Case B: an on-board vehicle charger with a mains supply cable that can be detached from both the supply and the vehicle – usually mode 3. Case C: DC dedicated charging station. The mains supply cable may ...