CyberTech MagSafe Car Charger Adapter 85W for 15"/17" inch Apple Macbook Pro Laptop Notebook Power Supply Cord, with 2 x USB Ports (for Model before 2012) Magsafe (v1) 5-pin car charger for Apple MacBook Pro 15" and 17" (pre-2012 models) + 2 USB ports Input voltage: 12V~24VDC 5.6A MAX Output voltage: 18.5V~4.6A, 85Watt USB Output: 5V~2.4A MAX Backed by CyberTech's 1-year warranty