MacBook Pro 17" (Model A1151) PRAM Battery

Each replacement battery is designed for specific Mac laptop models. Check the “Compatibility” info box on this product page for details or use our compatibility checking tool to find out whether your model is compatible. If you’re unsure which model you have, you can verify by selecting Apple menu → About This Mac in macOS or use the model identification information provided in our compatibility checking tool.

If your Mac laptop drains unusually fast or shows Battery Health below 80% or the message “Service Recommended”, it’s time for a battery swap. Apple designed MacBook Pros (released 2009 and later) and MacBook Airs (released 2010 and later) for a maximum cycle count of 1,000, while older Mac laptops are expected to reach a maximum of 300 to 500 cycles, depending on the model. Actual battery life varies with usage, but if you see a performance drop earlier, a fresh battery is the simplest, most cost-effective way to keep your Mac Laptop running smoothly.

Yes. For optimal results, fully charge the new battery to 100% and continue charging for at least two more hours. Then use your device until it shuts off due to low battery, and finally charge it uninterrupted back to 100%. This helps the system to accurately measure battery capacity. Find more information on battery calibration here.

Replacing a tired battery is usually the quickest and most cost-effective way to revive your Mac laptop’s performance. If your device otherwise meets your needs, a new battery can save you from an expensive upgrade.

Absolutely. We provide step-by-step repair guides and supply the specialized tools needed to open and reassemble your Mac Laptop. However, removing your old battery requires care and patience. Make sure to not bend or puncture your old battery while removing it from the device. Use only plastic tools when prying. You might require a solvent to remove the battery in Retina MacBook Pro models (released after 2012). Our Fix Kit includes all the tools and solvent you need to extract your old battery with ease.

Generally, compatible batteries will function without a warning message or other issues when installed in a Mac laptop. A small percentage of users, however, have experienced issues with aftermarket (non-Apple) batteries failing to be recognized properly in devices running Mac OS X El Capitan (10.11.x) or Sierra (10.12.x). If your system does not operate properly with our replacement battery, it can be returned for a full refund.

Yes. Our replacement batteries come with a limited 1 year warranty. For full details on coverage and how to submit a claim, visit our Warranty Policy page.

Lithium-ion batteries require special handling and can't be disposed of in general recycling. Most electronics stores, recycling centers, and municipalities have battery drop-off programs. Check your local regulations or consult our recycling guide to ensure a safe, eco-friendly disposal. If your battery is swollen, please make sure to read our guide on handling swollen batteries.