
Genuine A1321 High-Capacity 77.5Wh Replacement Battery for Mid 2009-2010 Apple MacBook Pro 15-inch (A1286)
Restore Your Classic MacBook Pro to Its Original Glory with Extended, Reliable Power
Is your trusted workhorse struggling to stay unplugged? Breathe new life into your Mid 2009 or 2010 15-inch MacBook Pro with the Genuine A1321 Replacement Battery. Engineered to meet Apple's original specifications, this high-capacity 77.5Wh battery delivers the sustained power your creative projects and professional workflows demand. Experience the long-lasting performance you remember, freeing your classic MacBook Pro from the power outlet and restoring its true portable potential.
Technical Specifications
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Apple Part Number: A1321
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Compatible MacBook Pro Models: 15-inch, Mid 2009 & Mid 2010 (A1286)
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EMC Numbers: 2324, 2325, 2353
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Model Identifiers: MB985LL/A, MB986LL/A, MC118LL/A, MC371LL/A, MC372LL/A, MC373LL/A
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Battery Type: Lithium-Polymer (Li-Po)
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Voltage: 10.95V
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Capacity: 77.5Wh
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Condition: Brand New, Premium Grade Cells
Part Numbers:
Fit Models:
| Battery Capacity | 7150mAh/54.4Wh / 4 Cell |
| Voltage | 10.95V |
| Model No | A1321 |
| Warranty | 12 months |
🔋 Lithium-Ion Battery Conditioning
For optimal electrochemical performance, new lithium-ion batteries should undergo 2–3 complete charge and discharge cycles before reaching full capacity.
This stabilization phase allows the internal cell chemistry to achieve balanced ion distribution, ensuring maximum runtime, stable voltage output, and extended cycle life.
After this initial conditioning period, no further full discharge cycles are required.
🛡 Premium Warranty Protection
- 12-Month Limited Manufacturer Warranty
- 60-Day No-Hassle Money Back Guarantee
- Up to 60 Days Refund Window (Policy Based)
- Replacement for defective or misrepresented items
- Dedicated customer service response within 24 hours
🚚 Professional Shipping Standards
- Orders processed within 24 business hours (excluding weekends & holidays)
- Real-time tracking number provided upon dispatch
- Transit time varies by region and logistics carrier
- Please verify your shipping address before order confirmation
- Address changes are not possible once shipment is dispatched
📌 Product-Specific Notice
📩 Customer Care Commitment
We are committed to delivering professional-grade battery solutions and responsive after-sales service. If you experience any issues, please contact our support team before leaving feedback.
✓ Safety & Quality Assurance
- Certified to CE, RoHS, UN38.3 international safety standards.
- Built-in protection against overcharging, overheating, and short circuits.
- Shipped in compliance with IATA regulations for lithium batteries.
- Compatible with OEM chargers. No firmware modification required.
Questions about compatibility? Contact us with your device model number before ordering.
Cao Chuanping
Power Systems Consultant · 8+ years in replacement battery sourcing & evaluation · View profile →
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