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2. Switched-mode power supply - Wikipedia

   en.wikipedia.org/wiki/Switched-mode_power_supply

   Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.

3. Power supply - Wikipedia

   en.wikipedia.org/wiki/Power_supply

   A simple general-purpose desktop power supply used in electronic labs, with power output connector seen at lower-left and power input connector (not shown) located at the rear Interior of high-end linear power supply with toroidal mains transformer. A power supply is an electrical device that supplies electric power to an electrical load.

4. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   The Certified USB Fast Charger logo indicating support for the Programmable Power Supply (PPS) protocol in USB Power Delivery (PD) chargers. On January 8, 2018, USB-IF announced the Certified USB Fast Charger logo for chargers that use the Programmable Power Supply (PPS) protocol from the USB Power Delivery 3.0 specification. [71]

5. Buck converter - Wikipedia

   en.wikipedia.org/wiki/Buck_converter

   The non-idealities of the power devices account for the bulk of the power losses in the converter. Both static and dynamic power losses occur in any switching regulator. Static power losses include (conduction) losses in the wires or PCB traces, as well as in the switches and inductor, as in any electrical circuit. Dynamic power losses occur as ...

6. Another winter storm is brewing: These 12 items can help you ...

   www.aol.com/lifestyle/12-genius-items-to-help...

   The Red Cross advises every household to pull storm supplies together in a Go-Kit and a ... that acts as a micro USB cable. ... lantern-and-power bank combo provides bright, adjustable light when ...

7. AC adapter - Wikipedia

   en.wikipedia.org/wiki/AC_adapter

   A six-way connector on a "universal" DC power supply, consisting of a four-way X connector and two separate individual connectors (one is the nine-volt battery connector). The X-connector here provides 3.5 and 2.5 mm phone plugs and two sizes of coaxial power connector Universal laptop power supply with adjustable voltage between 12 and 24 volts