Apple used the A1297 model number over two generations of 17" MacBook Pros that use 2 completely different batteries. To make sure you have the correct battery click on the Apple symbol in the top left of your desktop and click "
About This Mac" and then "More Info". This screen will list your model, year and additional information about your MacBook.
The A1383 battery number can also be found on the battery itself but requires specific tools to open it up. To replace this battery you can easily unscrew the screws on the bottom of the laptop.
Lithium polymer battery technology provides longer run times with less weight. In addition, lithium polymer batteries are not subject to the memory effect common with older battery technology. This laptop battery replacement is 100%
compatible with the original battery specifications and is individually tested and backed by a 2 year warranty.