eTzone 65W Laptop Car Charger for HP Probook 430 440 450 455 640 645 650 655 G1 G2; EliteBook 745 G2, 820 G1, 840 G1, 840 G2, 850 G1; Elitebook Revolve 810 G1 G2 G3; ZBook 14 G2, 15u G2 Power Cord Output: 18.5V 3.5A 65W (19V, 19.5V / 45W compatible) / Power laptop and charge battery from 12V DC outlets (car / air / boat) / Check Connector Photo for Compatibility (2-nd Photo) eTzone DC adapters manufactured with the highest quality materials and include laptop safeguard features against incorrect voltage, short circuit, internal overheating. 100% compatibility with the original. Warranty: 30 Days Money Back Guarantee / 24 Months - Free Exchange (eTzone pays for shipping) / Please contact us with any questions or concerns - we are here to help! (Phone service is available)