Important Note*: 5.5mm x 2.5 mm connector (Outside Diameter 5.5mm, Inside Diameter 2.5mm) is one of the most popular DC connectors. If you have a power connector with 5.5 x 2.5mm connector, you can use this connector tip. If your original connector is not a 5.5mm x2.5mm connector, then you can not use this connector plug tip.
If you are using this special connector tip with some of our universal batteries or power adapters, you need to find the 5.5/2.5mm standard connector tip that comes with the batteries or power adapters first, plug it to the battery or power adapter output cord:
Then plug this special connector tip to the 5.5/2.5mm connector, just like this:
If you want to connect this connector to bare wires, you may use our 5.5 x 2.5mm Wire Connector :
You can insert wires into wire connector and tighten them with built screws, no soldering needed.