Does your Apple MacBook 17" not last as long as it used to? Get longer battery life and improved laptop performance with a MacBook Pro 17" MD311LL/A battery.

This MD311LL/A battery is exclusively designed to replace the original battery found in the first generation of 17" MacBook Pro laptops made between 2009-2010 with the model number "MD311LL/A" or A1297. The model number can be found on the bottom of the MacBook near the screen. You can find out the year your MacBook was made by click on the Apple symbol in the top left of your desktop and clicking "About This Mac" and then "More Info". The battery part number is A1309 and can be found on the battery itself.

Apple used model No A1297 in 2 different generations of MacBook Pro. The first generation was made from 2009 to late 2010. The 2nd generation was made from 2010 to 2011.

To replace the MacBook Pro 17" battery you need to remove the bottom of the laptop with a small screwdriver. We include the required tools and instructions to remove and install the A1309 battery. Use fishing line to help pry the battery from the adhesive.

We use the highest quality lithium-polymer batteries that charge faster and last longer. This battery is made specifically to replace the MD311LL/A battery part number for 1st generation of MacBook Pro 17".

Each battery is tested and backed by a 2 year warranty and 30 day money back guarantee.

Because this is a 17" laptop, you will experience shorter run times than a similar 15 inch or 13 inch MacBook model. The large lighted display is the main drain on this battery. You can expect about 2-3 hours of run time with this computer battery when new, depending on your energy use. The higher capacity battery cells inside this cartridge have an energy capacity of 95 Whr.

Fits Early 2009 17" Unibody MacBook Pro
Fits Mid 2009 17" Unibody MacBook Pro
Fits Mid 2010 17" Unibody MacBook Pro