This connector tip is an accessory of our external batteries and power adapters.
This connector tip one end is 4.0 x 1.7mm male long plug , another end is 5.5 x 2.5mm female jack.
4.0 x 1.7mm male connector is a round shape connector with 4.0mm outside diameter and 1.7mm inside diameter.
This connector works for HP /compaq Envy Spectre 14 series and some other computers. We are sorry that we do not have full compatibility list for this connector.
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.