OMNIHIL Adapter Plug Converter 5.5 millimeters x 2.1 millimeters Female Plug to 5.5 millimeters x 2.5 millimeters Male Plug

PHC RC-x2555C1 DC Barrel Plug Converter, 2.1mm x 5.5mm to 2.5mm x 5.5mm, 3" cord

Valley Enterprises® 3' Male to Male 2.1mm x 5.5mm Plug DC Power Adapter Cable 18GA

TP-Link Gigabit Ethernet PoE Splitter Adapter (TL-PoE10R)

CY 60cm DC Power 5.5 x 2.1mm / 2.5mm Male to 5.5 2.1/2.5mm Male Plug Cable Right Angled 90 Degree

Valley Enterprises® 2' Male to Male 2.1mm x 5.5mm Plug DC Power Adapter Cable 18GA

Valley Enterprises® 1 Foot Male to Male 2.1mm x 5.5mm Plug DC Power Adapter Cable 18GA

Areyourshop 6 Pcs New Copper DC Power 5.5mmx2.1mm Female To 5.5mmx2.5mm Male Adapter

Coax Barrel Plug Adapter from 2.5mm to 2.1mm Power Plug by Creative Lighting Solutions LLC

SoulBay 34pcs Universal Laptop Notebook Input DC Plug Set Jack Tips for Lenovo Toshiba Dell HP Asus and most Laptops

Hanvex HDX3 3ft 2.1mm x 5.5mm DC Plug Power Adapter Extension Cable, 18AWG Heavy Duty Cord for 12V, 24V LED Strip, Lighting, and more