Best prices on Hp laptop car adapter in Computers & Software. Check out BizRate for great deals on Computers & Software from . Use BizRate's latest online shopping features to compare prices for Hp laptop car adapter. Read product specifications, calculate tax and shipping charges, sort your results, and buy Computers & Software with confidence. Easily narrow your search and find the product that's perfect for you: HP 90W Smart Auto Laptop Adapter - Universal Car DC Adapter for DELL, HP, SONY, TOSHIBA, ACER, COMPAQ Any laptop takes 80W - 10 Pins.