Super Power Supply DC Laptop Car Adapter Charger Cord with USB charging port for HP Pavilion Dv7-7027cl Dv7-7047cl ; Elitebook 2170p B8v46ut 8460p Qw064us Sp580uc Sp916uc 8470p B5q11ut 8470w B8v37ut B8v70ut 8560p Qw129us 8560w Lw930aa 8570p B5p99ut ; 90 Watt Netbook Notebook Battery Plug Output: 19V 4.74A 90W / Power laptop and charge battery from 12V DC outlets (car / air / boat) Warranty: 1 Year Super Power Supply are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply