922-8397 - Apple Backup Battery for MacBook Pro 17

Here are the technical specifications for the Apple Backup Battery for MacBook Pro 17:

- Capacity: 95 Wh
- Output: 16.5V DC, 5.8A max
- Input: 100-240V AC, 50-60Hz
- Charging time: 3 hours
- Compatibility: MacBook Pro 17-inch (Mid-2009) and later models
- Weight: 1.5 lbs (680 g)

Helpful notes:
- This battery provides up to 8 hours of additional battery life for your MacBook Pro 17.
- It can be charged while connected to your MacBook Pro or separately with the included AC adapter.
- The battery status indicator on your MacBook Pro's menu bar will display the charge level of both the internal battery and the backup battery.