Product Description100% Brand New and High Quality !Mother end: DC 7.4 * 5.0mm, this end is plugged into an HP computer power adapter, supporting 18.5V-19V-19.5VMale head: DC 4.5 * 3.0mm, this end is plugged into HP's new computerPower load: 90W-65W-45W availableCompatible For: HPGreat replacement for your HP It is 7.4mm X 5.0mm Round Jack (old type) to 4.5mm x 3.0mm Plug End (new type) Adapter PigtailSuitable for HP power transfer to HP computersPackage Includes:1 x Adapter Cable