This connector tip is an accessory of our external batteries and power adapters.
This connector tip one end is 4.0 x 1.35mm male connector, another end is 5.5 x 2.5mm female jack
4.0 x 1.35mm male connector is a round shape connector with 4.0mm outside diameter and 1.35mm inside diameter. It may fit a lot Asus and other brand new ultrabooks. We are sorry that we do not have full compatibility list for this connector.Important Note:
This connector back is a 5.5x2.5mm female jack. It is designed to plug on a 5.5 x 2.5mm male barrel connector like this:
If your current connector is not 5.5mm x 2.5mm connector, then this connector tip will not work for you.
* 5.5/2.5 mm connector (Outside Diameter 5.5mm, Inside Diameter 2.5mm) is one of the most popular DC connectors.
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:
This picture shows how to use the connector tip. The connector on picture may be different from actual connector.