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An AC adapter or AC/DC adapter (also called a wall charger, power adapter, power brick, or wall wart) [1] is a type of external power supply, often enclosed in a case similar to an AC plug. [2] AC adapters deliver electric power to devices that lack internal components to draw voltage and power from mains power themselves.
These plugs are often used for higher power applications such as portable computers. ... Nokia AC-3 charger ... Newer HP and Dell laptop computers 4.75 1.70 9.5 C
IEC Technical Specification 62700: DC Power supply for notebook computer is an IEC specification of a common standard for external laptop computer AC adapters.Laptops and AC adapters following this standard will have interchangeable power supplies, which will enable easy reuse of used power supplies (thereby reducing electronic waste) and make buying a new compatible power supply for a laptop ...
Dell calls this feature PowerShare, [85] and it needs to be enabled in the BIOS. Toshiba calls it USB Sleep-and-Charge. [86] On Acer Inc. and Packard Bell laptops, sleep-and-charge USB ports are marked with a non-standard symbol (the letters USB over a drawing of a battery); the feature is called Power-off USB. [87] Lenovo calls this feature ...
Wistron (former manufacturing & design division of Acer) sells to Acer, Dell, Lenovo, and HP; Inventec sells to HP, Dell, and Lenovo; Flextronics (former Arima Computer Corporation notebook division) sells to HP; Clevo and Tongfang sell to different laptop manufacturers like Digital Storm, Eluktronics, Eurocom, Metabox, Sager, Schenker ...
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