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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.
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 ...
Alienware Area-51m (discontinued) – 2019 desktop replacement gaming laptop with a desktop CPU, up to Intel Core i9-9900K (from i7 8700 to i9 9900K), 128 GB of upgradeable memory, upgradeable GPU (ships with GTX 1080 but will be upgraded to RTX 2080) and overclockable as well. Also features two power adapters and new Legend design language for ...
A battery recall in August 2006, as a result of a Dell laptop catching fire, caused much negative attention for the company though later, Sony was found responsible for the manufacturing of the batteries, however a Sony spokesman said the problem concerned the combination of the battery with a charger, which was specific to Dell. [46]
A battery eliminator is an adapter intended to allow a device intended for battery operation, such as a radio, to be operated from an AC outlet. [10] All radios, except crystal sets, used inconvenient and messy vacuum tube batteries until the mid- to late-1920s. Battery eliminators that plugged into light sockets became very popular. [11]