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2. EmPower (aircraft power adapter) - Wikipedia

   en.wikipedia.org/wiki/EmPower_(aircraft_power...

   Even though EmPower adapters are rated at 15 volts instead of 12 volts like cigar lighter receptacles, most accessories made for the so-called "12-volt outlets" have enough voltage tolerance to allow for a voltage as high as 15 without step down DC-to-DC converter.

3. DC connector - Wikipedia

   en.wikipedia.org/wiki/DC_connector

   The USB PD specification provides the ability for 5 V devices to draw more than (the USB battery-charging specification limit of) 7.5 W of power from USB "PD-aware" ports when using PD-aware USB cables. The specification also allows USB PD ports to provide even greater power at higher voltages over PD-aware cables – up to 36 W at 12 V and 60 ...

4. USB decoration - Wikipedia

   en.wikipedia.org/wiki/USB_decoration

   A USB-powered decorative Christmas tree. A USB decoration is a decorative device that uses the Universal Serial Bus (USB) connector for electrical power, and sometimes the protocol, on a computer or other host. In addition, some lightweight devices (e.g., a small lamp on a gooseneck stalk) use the USB connector itself for mechanical support.

5. PoweredUSB - Wikipedia

   en.wikipedia.org/wiki/PoweredUSB

   12 V and 24 V powered USB sockets, on an NCR cash register. PoweredUSB, also known as Retail USB, USB PlusPower, USB +Power, and USB Power Plus, [1] is an addition to the Universal Serial Bus standard that allows for higher-power devices to obtain power through their USB host instead of requiring an independent power supply or external AC adapter.

6. 16-pin 12VHPWR connector - Wikipedia

   en.wikipedia.org/wiki/16-Pin_12vHPWR_connector

   The connector was replaced by a minor revision called 12V-2x6 (H++), introduced in 2023, [2] [3] which changed the GPU- and PSU-side connectors to ensure that the sense pins only make contact if the power pins are seated properly. The cables and their connectors remained unchanged.

7. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   Adapters and cables with a USB-C receptacle are not allowed. [31] Full-featured USB-C 3.1 cables contain a full set of wires and are "electronically marked" : they contain a "eMarker" chip that responds to the USB Power Delivery Discover Identity command, a kind of vendor-defined message (VDM) sent over the configuration data channel (CC ...