Add an extra charge to your Apple Laptop!
- This external battery pack connects to your original 45 or 60 Watt MagSafe power supply and AC power cord.
- Up to 4 more hours of power for an 11" MacBook Air.
- Up to 3 more hours of power for a 13" MacBook Air.
- Up to 3 more hours of power for a 13" MacBook Pro.
The MagSafe Adapter and AC power cord are not included.