Apple MacBook Pro 13-inch A1278 / A1322 Replacement Laptop Battery (2009–2012)

Apple MacBook Pro A1322 / A1278 Replacement Laptop Battery – 13-inch, 2009–2012

Restore Portable Power to Your MacBook Pro

Is your MacBook Pro battery draining unusually quickly, displaying a Service Battery warning or shutting down when disconnected from its charger?

The A1322 replacement laptop battery offers a practical solution for compatible 13-inch Apple MacBook Pro A1278 Unibody laptops manufactured between Mid 2009 and Mid 2012.

Designed for internal installation, this rechargeable lithium-ion polymer battery can help restore battery-powered operation when the original battery has deteriorated.

Rechargeable Lithium-Ion Polymer Battery

The A1322 battery family uses rechargeable lithium-ion polymer technology for portable laptop power.

Documented versions feature a nominal voltage of 10.95V, with energy capacities commonly around 60Wh to 65.7Wh, depending on the battery manufacturer.

The selected 63.5Wh configuration provides approximately 5800mAh nominal capacity.

Actual battery runtime depends on battery condition, screen brightness, processor workload, operating system, system settings and usage patterns.

Compatible Apple MacBook Pro Models

This battery is designed for the following 13-inch Unibody models:

• MacBook Pro 13-inch Mid 2009 – A1278, MacBookPro5,5
• MacBook Pro 13-inch Mid 2010 – A1278, MacBookPro7,1
• MacBook Pro 13-inch Early 2011 – A1278, MacBookPro8,1
• MacBook Pro 13-inch Late 2011 – A1278, MacBookPro8,1
• MacBook Pro 13-inch Mid 2012 – A1278, MacBookPro9,2

Important: Not compatible with the Late 2008 aluminium MacBook A1278, 15-inch MacBook Pro A1286 or Retina MacBook Pro models.

Compatible Battery Part Numbers

A1322, 661-5229, 661-5557, 020-6547-A, 020-6764-A and 020-6765-A.

These numbers identify compatible battery families and do not necessarily indicate that a replacement is manufactured by Apple.

Practical Internal Replacement Design

The A1322 battery is installed inside the MacBook Pro's aluminium Unibody chassis and secured using screws.

Replacing it involves opening the bottom case, disconnecting the existing battery and installing the correctly matched replacement.

A qualified laptop technician is recommended if you are unfamiliar with internal MacBook servicing.

Signs You May Need a Replacement Battery

• Battery charge drains much faster than before.
• The MacBook switches off unexpectedly while unplugged.
• macOS reports Service Battery or a similar battery-health warning.
• The laptop no longer holds sufficient charge.
• Battery diagnostics indicate significant deterioration.
• The existing battery is swollen, damaged or no longer functioning correctly.

Charging-related symptoms may also come from a defective charging adapter, DC-in board or other hardware issue. Proper diagnosis is recommended.

Technical Specifications

• | Feature | Specification |
• |---|---|
• | Product | MacBook Pro Replacement Battery |
• | Compatible Brand | Apple |
• | Battery Model | A1322 |
• | Laptop Model | A1278 |
• | Screen Size | 13.3 Inches |
• | Compatible Production Years | Mid 2009 – Mid 2012 |
• | Technology | Lithium-Ion Polymer |
• | Nominal Voltage | 10.95V |
• | Capacity | Approximately 5800mAh on 63.5Wh version |
• | Energy | 63.5Wh on selected versions |
• | Other Replacement Ratings | 60Wh or 65.7Wh |
• | Installation | Internal |
• | Securing Method | Screw-mounted |
• | Colour | Black |
• | Rechargeable | Yes |
• | Condition | New, if supplied as advertised |
• | Warranty | According to actual seller policy |
• | Package Contents | One replacement battery unless otherwise specified |
• Installation and Safety
• Turn off the MacBook Pro completely and disconnect the charging adapter before beginning battery replacement.
• Remove the bottom cover using the correct tools, disconnect the original battery carefully and follow the appropriate service procedure.
• Do not puncture, bend, crush, overheat, short-circuit or force the battery connector.
• Never install a swollen or visibly damaged lithium battery. Dispose of the old battery through an appropriate battery recycling service.
• Why Choose an A1322 Replacement Battery?
• A properly matched A1322 battery can help extend the working life of a compatible MacBook Pro 13-inch Unibody laptop.
• It provides a practical repair option for students, professionals, business owners, technicians and everyday MacBook users who want to continue using their existing computer.
• Whether your MacBook is used for documents, online research, office records, educational work or basic everyday computing, replacing a deteriorated battery may restore the convenience of portable use.

Apple MacBook Pro A1322 / A1278 Replacement Battery – Rechargeable Portable Power for Compatible 13-inch MacBook Pro Models from 2009 to 2012.