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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.
The standard defines an AC adapter to power devices requiring from 10 W to 130 W (~20 V × 6.5 A) or (extended voltage option) up to 240 W (60 V × 4 A). [2] A new connector (that does not mate with any previously existing connector) is proposed for a lifetime of about ten years with multiple brands and models. [ 3 ]
A "power cube"-type AC adapter. An AC-to-DC power supply adapts electricity from household mains voltage (either 120 or 230 volts AC) to low-voltage DC suitable for powering consumer electronics. Small, detached power supplies for consumer electronics are called AC adapters, or variously power bricks, wall warts, or chargers.
The new [3] [when?] 60 Hz AC EmPower system provides more power than the DC system. [4] The AC EmPower system converts aircraft 400 Hz AC or wild frequency power to standard 60 Hz AC to prevent additional stresses in laptop chargers already stressed by reduced cooling at altitude. Note that laptops on this system will still charge batteries.
AC power plugs and sockets connect devices to mains electricity to supply them with electrical power. A plug is the connector attached to an electrically-operated device, often via a cable. A socket (also known as a receptacle or outlet ) is fixed in place, often on the internal walls of buildings, and is connected to an AC electrical circuit.
Used in Acer Aspire V5 adapter and some Hikvision 48V NVRs 5.50 2.10 M CUI Inc. P5 CUI Inc. PP3–002A Kobiconn 3217-EX Philmore 210, 210L, 2109 Switchcraft 762, 763 [6] CUI Inc. PR-002A (inline) Kobiconn 0302 (inline) Philmore 257 (inline) Switchcraft 721A (panel) [7] 2.1 mm center pin Common on guitar effect pedals Arduino power adapter
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