HP Laptop Power Adapter Cable, 7.4mm x 5.0mm Female to 4.5mm x3.0mm Angled Male Converter Cord AC Supply Wire for Envy/Elitebook/Probook/Stream/Spectre/Pavilion Laptops (Pack of 2)

IMPORTANT NOTE： These power cables are designed for laptops, for Dell laptops they'll power up and let you run the laptop, but it WILL NOT charge the battery!!! Please see this to prevent unnecessary losses, also please make sure the tip connector size is comply to what your need before buying! Connectors：One side is 7.4x5.0mm female socket, another side is 4.5x3.0mm plug, which compatible for Pavilion, Envy, Elitebook, Probook, Stream Spectre, Sleekbook, Chromebook, etc. Functions：Converts a special notebook power adapter into a ultrabook power interface, with a pin inside the tip connector to connects Stream Spectre Pavilion Envy Elitebook Split Chromebook charger. Specification：About 6.1 Inch Length, Voltage about 20V, Pacakge included 2 PCS of these 7.4x5.0mm to 4.5x3.0mm AC power cables (2 PCS are the same size).