Super Power Supply DC Laptop Car Adapter Charger Cord with USB charging port for HP Probook 4310s 4425s 4430s 4440s 4441s 4510s 4520s 4530s 4535s 4540s 4545s 4710s 4720s 4730s 5310m 5330m 6360b 6445b 6450b 6455b 6460b 6465b 6470b 6475b 6545b 6550b 6560b 6565b 6570b; HP ProBook 215 255 340 430 440 450 455 640 645 650 655 G1; HP EliteBook Revolve 810 820 850 G1 Notebook Netbook 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 products are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply Features a USB Port for Charging USB powered devices.