The Hyperjuice 1.5 MBP-222 is compatible with all models of Apple MacBook / MacBook Pro / MacBook Air including Retina.
Features
Use your MacBook for up to 53 hours
New version 1.5 now updated with higher power output to better support Retina MacBooks and 2x 12W USB ports to quick charge any 2 USB devices at the fastest speed
High capacity 222-Watt-hour lithium ion battery
Built-in short circuit, overcharging and temperature protection
