Battery for MacBook Pro 17" A1297 Early 2009 to Mid 2010 (Batt. No. A1309)

Compatible Battery for MacBook Pro 17" A1297 Early 2009 - Mid 2010

Compatible with MacBook Pro Battery - A1309 11200 mAh

For optimal performance, calibrate your newly installed battery.

Charge it to 100% and keep charging for at least another 2 hours.

Then use your Macbook until it shuts down due to low battery.

Finally, charge it continuously to 100%.