AC/DC adapter, or AC/DC converter is a type of external power supply. External power supplies are used both with equipment with no other source of power and with battery-powered equipment, where the supply, when plugged in, can sometimes charge the battery in addition to powering the equipment.Use of an external power supply allows portability of equipment powered either by mains or battery without the added bulk of internal power components, and makes it unnecessary to produce equipment for use only with a specified power source12V 5A Power Supply Adapter use for universal 12V 5A Device's & it's Provide Accurate Volt & Amp
Specifications of 12V 5A Power Supply Adapter and DC Converter Jack