MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter : ID 2727 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
USB 2.1mm X 5.5mm DC 5V to 9V 12V DC Barrel Male Connector Power Cable Plug | eBay
4K Ultra High Speed HDMI 2.1 Cable
USB-B Adapter Cable for DC 5.5 / 2.1mm Female Power Supply - Audiophonics
USB 2.0 A Type Male to 5.5mm x 2.1mm DC Plug Connector Power Cable 1.4M Black - Walmart.com
USB-C specification revision 2.1 brings up to 240W power delivery | TechSpot
Milwaukee M12 3 Ft. Micro-USB Cable and 2.1A Wall Charger-48-59-1202 - The Home Depot
China USB 2.1 240W PD Type c to type c fast charging USB C charger cable on Global Sources,USB 2.1 type c Cable,240W usb c Cable,PD charging TYPE C cable
New USB-C Type 2.1 standard offers up to 240 W power delivery | Ars Technica
USB to 2.1mm Male Barrel Jack Cable [22AWG & 1 meter] : ID 2697 : $2.75 : Adafruit Industries, Unique & fun DIY electronics and kits
USB Type-C 2.1 to Upgrade Power Delivery From 100W to 240W | Technology News