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Rectangular black lithium-ion battery pack with connector, 379 grams

A1322 laptop battery for MacBook Pro 13" Mid 2012 Late 2011 Early 2011 Mid 2010 Mid 2009

SKU CH-7BYQ-4HA25 MPN A1322

Replacement 63.5 Wh lithium-ion battery fits 13-inch MacBook Pro models from Mid 2009 through Mid 2012

  • CompatibilityA1322 A1278 Battery For MacBook Pro 13 inch Mid 2012,Late 20
  • Battery Type96W
  • Featureslithium_ion, Rechargeable, 63.5 watt_hours, A1322 A1278 Batt
  • Weight379 grams
  • 5 Wh capacity powers MacBook Pro 13-inch models from Mid 2009 to Mid 2012
  • Grade A lithium-ion cells deliver reliable charges with low power consumption
  • 12 security protections and PC flame-retardant housing increase cell stability by 50 percent
  • 0 Smart Core temperature control keeps the battery cool during charge and discharge
  • 379 gram weight matches original form factor for a precise fit in compatible A1278 unibody chassis

Replacement battery for MacBook Pro 13

This new lithium-ion battery replaces the original Apple A1322 pack in MacBook Pro 13-inch models from Mid 2009 through Mid 2012. It delivers 63.5 Wh at 10.95 V using three Grade A cells. The unit is built for owners who need a direct drop-in part with no soldering or firmware steps.

Thermals and power behaviour

The pack includes twelve protection circuits and a 2.0 Smart Core that monitors temperature during charge and discharge cycles. PC flame-retardant housing and the upgraded cell process raise thermal stability by fifty percent. In normal use the battery runs cool and maintains low self-discharge.

Build integration and limits

The battery fits the existing bay in compatible A1278 unibody chassis and connects to the stock logic-board header. It supports part numbers 661-5229, 661-5557, 020-6547-A and 020-6765-A across the listed model years. It does not fit the 2008 A1278, A1321 or A1286 models.

Highlights

  • 5 Wh capacity powers MacBook Pro 13-inch models from Mid 2009 to Mid 2012
  • Grade A lithium-ion cells deliver reliable charges with low power consumption
  • 12 security protections and PC flame-retardant housing increase cell stability by 50 percent
  • 0 Smart Core temperature control keeps the battery cool during charge and discharge
  • 379 gram weight matches original form factor for a precise fit in compatible A1278 unibody chassis

Specifications

BrandDELL
ModelA1322
Part NumberA1322
CompatibilityA1322 A1278 Battery For MacBook Pro 13 inch Mid 2012,Late 2011,Early 2011,Mid2010,Mid 2009.
Battery Type96W
Featureslithium_ion, Rechargeable, 63.5 watt_hours, A1322 A1278 Battery For MacBook Pro 13 inch Mid 2012,Late 2011,Early 2011,Mid2010,Mid 2009., Laptop
Weight379 grams

Questions about this item

How do I install the A1322 battery in my MacBook Pro 13-inch Mid 2012, and which step do people often get wrong?

Remove the ten bottom-case screws, disconnect the old battery connector from the logic board, fit the new A1322 battery, reconnect the connector firmly, then replace the screws in the correct order so the case seats evenly.

What maintenance will the A1322 battery need later, and when should I plan a replacement?

No scheduled maintenance is required; the lithium-ion pack is sealed. Expect to replace it once run-time drops noticeably, typically after several hundred charge cycles or when capacity falls well below the rated 63.5 Wh.

What limit appears first on the A1322 battery during sustained heavy use?

The 10.95 V nominal voltage and 63.5 Wh capacity set the energy ceiling; under continuous high load the pack will hit its thermal and voltage limits before any other constraint.

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