PWR+ UL Listed 90W 65W Extra Long 12 Ft AC Adapter Charger for HP Probook 4420s 4430s 4440s 4510s 4520s 4525s 4530s 4535s 4540s 4545s 4730s 6360b 6450b 6455b 6460b 6470b 6475b 6550b 6560b 6570b FEATURES / POWER SPECS : Only Pwr+ Chargers Have Extra Long 12 Ft Power AC/DC cords / Output 19V 4.74A 90W (18.5V, 19.5V / 65W, 45W compatible) / Input 100-240V / Original HP Charger Laptop AC Adapter Power Cord Replacement by PWR+ COMPATIBILITY: HP Probook 4420s 4430s 4440s 4510s 4520s 4525s 4530s 4535s 4540s 4545s 4730s 6360b 6450b 6455b 6460b 6470b 6475b 6550b 6560b 6570b; 640-G1, 645-G1, 650-G1 HP EliteBook 2540p 2560p 2570p 2740p 2760p 6930p 8440p 8460p 8470p 8540w 8570p 8540p 2730p HP Revolve 810, 820-G1, 820-G2, 840-G1, 840-G2, 850-G1, 850-G2 Folio 9470m 693711-001 609939-001 463958-001 693712-001 744893-001 PPP009L 677774-002 ED495AA 463955-001 ED494AA ED493AA ED495UT#ABA 724264-001 SAFETY / UL LISTED: Tested, Approved and Certified by UL. UL number is unique. UL testing is authorized by OSHA - US Federal Agency WARRANTY: 30 Days Refund - 24 Months Exchange. PWR+ is WA, USA based company. We are friendly Customer Support Experts