Apple 661-4833 | Lithium Ion 50WHr US/Canada Battery for MacBook Pro

Here are the technical specifications for the Apple Lithium Ion 50WHr US/Canada Battery for MacBook Pro:

- Battery Type: Lithium Ion
- Battery Capacity: 50 watt-hours
- Compatibility: MacBook Pro (13-inch, Mid 2009 to Mid 2012)
- Voltage: 10.95 V
- Wattage: 5500 mAh
- Number of Cells: 6
- Dimensions: 9.65 x 3.35 x 0.39 inches
- Weight: 10.6 ounces

Helpful notes:
- This battery is an OEM replacement for your MacBook Pro, ensuring optimal performance and compatibility.
- It is important to properly calibrate your new battery to ensure maximum battery life and performance.
- Always use a certified Apple charger and cable to charge your MacBook Pro battery.