Key Power Laptop Replacement Battery for Apple MacBook Pro 13-inch Unibody - (Mid 2009, Mid 2010, Early / Late 2011, Mid 2012) fit A1278 A1322 with Upgraded Premium Ace Cells - 18 Months Warranty;

Key Power: Bringing Power to your on the go lifestyle.
- 18 months manufacture warranty.
- Easy Access Customer Service.

Important to find your model identifier in System Profiler:
1. Choose About This Mac from the Apple menu in the upper-left corner of your screen.
2. Click More Info.
3. Find the model identifier listed in the Hardware Overview under the Hardware section.

MacBook Pro 13 inch Mid 2009:
- Model: MB990LL/A, MB991LL/A
- Processor: Core 2 Duo (2.26GHz / 2.53GHz)
- Identifier: MacBookPro 5,5

MacBook Pro 13 inch Mid 2010:
- Model: MC374LL/A, MC375LL/A
- Processor: Core 2 Duo (2.4GHz / 2.66GHz)
- Identifier: MacBookPro7,1

MacBook Pro 13 inch Early 2011:
- Model: MC700LL/A, MC724LL/A
- Processor: Core i5 / Core i7 (2.3GHz / 2.7GHz)
- Identifier: MacBookPro8,1

MacBook Pro 13 inch Late 2011:
- Model: MD313LL/A, MD314LL/A
- Processor: Core i5 / Core i7 (2.4GHz / 2.8GHz)
- Identifier: MacBookPro8,1

MacBook Pro 13 inch Mid 2012:
- Model: MD101LL/A, MD102LL/A
- Processor: Core i5 / Core i7 (2.5GHz / 2.9GHz)
- Identifier: MacBookPro9,2

Compatible MacBook Pro Model#:
MB990*/A / MB990CH/A / MB990J/A / MB990TA/A / MB990ZP/A / MB991*/A / MB991CH/A / MB991J/A / MB991TA/A / MB991ZP/A / MC700 / MC700B/A / MC700E/A / MC700J/A / MC700TA/A / MC700X/A / MC700ZP/A / MC724 / MC724B/A / MC724E/A / MC724J/A / MC724LL/A / MC724TA/A / MC724X/A / MC724ZP/A / MD313LL/A

Compatible Part Numbers:
- 661-5229
- 661-5557
- 020-6547-A
- 020-6765-A
- A1322
- A1278