🔋 Apple MacBook Pro 15″ Unibody Battery Replacement
The Apple MacBook Pro 15″ Unibody Battery (A1321 / A1286, Mid 2009) is a high-quality replacement battery designed for 15-inch MacBook Pro Unibody models released in Mid 2009 and Mid 2010. Built with premium 6-cell Li-Ion cells, it provides stable voltage, extended run time, and safe, reliable performance.
⚙️ Specifications
Battery Model: A1321
Voltage: 10.95V
Capacity: 77.5Wh
Cells: 6-cell Lithium-Ion
Cycle Life: 300–500 recharge cycles
Certificate: CE, FCC
✅ Part Numbers
661-5211, 661-5476, 020-6766-B, 020-6380-A
💻 Compatibility
MacBook Pro 15″ Unibody (Mid 2009): MC118LL/A, MB985*/A, MB986*/A, MC118*/A
MacBook Pro 15″ Unibody (Mid 2010): MC371LL/A, MC372LL/A, MC373LL/A, MC373*/A
Note: Not compatible with 2008 MacBook Pro models, 13″ MacBook Pro models, Retina models, or MacBook Air.
⚠️ Important Notes
Not compatible with 2008 models.
Not compatible with MacBook Pro 13″ or any Retina/MacBook Air.
Explicitly mentions “Only for 2009–2010 version”.
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