"Hrmph! All I have is a power supply with a 2.1mm plug and my doodly-whatsit has a 2.5mm jack. I keep trying to force the plug to fit but that 0.4mm difference just wont work....what am I going to do!?" ENTER The Adapter. This 2.1mm to 2.5mm adapter is the best way to adapt a 2.1mm plug so that it will fit into a 2.5mm jack. Remember that this will fit into a device that normally would require a 5.5 OD / 2.5mm ID plug, and lets you use a 5.5/2.1mm plug. Once this is in place you can just any and all of our DC barrel-plug wall adapters, as they all have 2.1mm plugs. Technical Details * Dimensions: 41mm x 13mm / 1.6" x 0.5" * Weight: 4.5g https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2023-08-09 https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2023-12-27 https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2024-09-19 https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2024-11-29 https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2024-11-30 https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2025-11-28 https://elecena.pl/product/24022873/2-1mm-to-2-5mm-dc-barrel-plug-adapter 2025-11-29