This connector tip is an accessory of our external batteries and power adapters.
This connector tip one end is 3.5 x 1.2mm male plug, another end is 5.5 x 2.5mm female jack
3.5 x 1.2mm male connector is a round shape connector with 3.5mm outside diameter and 1.2mm inside diameter. 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 C37 connector tip will not be able to plug on.