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Rectangular black laptop battery with six cells and three small screwdrivers

DMKAOLLK

DMKAOLLK MC118LL/A laptop battery 77.5WH 10.95V 6-cell

SKU CH-16G0-TR07D MPN MC118LL/A

Replacement lithium-polymer battery delivers 77.5 Wh at 10.95 V across six cells for 15.4 inch MacBook Pro models from Mid 2009 and Mid 2010

  • 5 Wh capacity powers MacBook Pro 15.4" models through long sessions
  • 95 V lithium-polymer chemistry matches original Apple specifications exactly
  • Six-cell design delivers up to 500 recharge cycles over battery life
  • Built-in overcharge, overdischarge, over-temperature and short-circuit protection safeguards hardware
  • Supplied with three screwdrivers for straightforward self-installation

Direct replacement for Mid 2009

This 77.5WH lithium-polymer battery fits MacBook Pro 15.4 inch units from Mid 2009 and Mid 2010 identified as A1286. It replaces original part numbers A1321, 661-5211, 661-5476, MB985, MB986, MC118, MC371, MC372 and MC373. The pack delivers 10.95V through six cells and includes three screwdrivers for installation.

Upgrades worn or failed original batteries

The unit serves as a direct swap when the factory pack no longer holds charge or triggers service warnings. It restores mobile runtime for Core 2 Duo and Core i5/i7 configurations without requiring firmware changes. The jump is worth it when the existing cell count has dropped below useful capacity or the system throttles due to battery health.

Built-in protection circuits manage sustained

Overcharge, overdischarge, over-temperature and short-circuit safeguards operate continuously during long work sessions. The chemistry is rated for up to 500 recharge cycles over the battery life. Steady output is maintained under load rather than peaking only in short bursts.

Highlights

  • 5 Wh capacity powers MacBook Pro 15.4" models through long sessions
  • 95 V lithium-polymer chemistry matches original Apple specifications exactly
  • Six-cell design delivers up to 500 recharge cycles over battery life
  • Built-in overcharge, overdischarge, over-temperature and short-circuit protection safeguards hardware
  • Supplied with three screwdrivers for straightforward self-installation

Specifications

No published specifications for this item yet.

Questions about this item

What screwdrivers are included to open the 15.4 inch MacBook Pro case for this 77.5WH battery?

Three free screwdrivers are supplied in the box for removing the bottom case screws on the compatible MacBook Pro models.

Which step is often missed when installing this 6-cell 10.95V battery in a Mid 2010 MacBook Pro 6,2?

After fitting the battery, the connector must be pressed fully into the logic board socket before the retaining screws are tightened.

How many recharge cycles is the Li-polymer 77.5WH pack rated for before replacement is needed?

The battery is rated for up to 500 recharge cycles over its service life.

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