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External device designed to cool down a phone for maintaining or improving performance (SoC, battery lifespan, charging speed). May include heatsink , axial or centrifugal fan(s), heat pipes , vapor chamber , peltier , water-to-air heat exchangers, magsafe , wireless charging and/or programmable rgb lighting .
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 , amperes, current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.
According to the European Commission, a common external power supply / "charger" standard is desirable because, Incompatibility of chargers for mobile phones is a major environmental problem and an inconvenience for users across the EU. Currently specific chargers are sold together with specific mobile phones.
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.
Battery cases are small power banks attached to the rear side of a mobile phone like a case. Power may be delivered through the USB charging ports, [18] or wirelessly. [19] Battery cases also exist in the form of a camera grip accessory, as was for the Nokia Lumia 1020. [20] For mobile phones with removable rear cover, extended batteries exist ...
They each extend the Surface with a number of USB ports, additional audio sockets, a Gigabit Ethernet port and a selection of ports to connect external displays. As of April 2023, while the only two discontinued Docks are for Surface Pro 1-3 and Surface 3, the latest model is the Surface Thunderbolt 4 Dock.