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Rectangular black lithium-ion laptop battery, 76 Whr 11.4 V

DELL

DELL Alienware Y9M6F 76 Whr 11.4 V laptop battery

SKU CH-4VD9-57B19

A 76 Whr lithium-ion replacement battery for Alienware 15 and 17 laptops

  • Battery TypeLithium-Ion
  • Longer runtime from 76 Whr lithium-ion cells
  • Fits Alienware M15-R2 and M17-R2 laptops
  • Replaces part numbers 8K84Y and Y9M6F
  • Tested before shipment with 300-500 recharge cycles
  • Delivers 11.4 V for consistent power output

Replacement for Alienware M15-R2 and M17-R2

This 76 Whr lithium-ion battery replaces the Y9M6F and 8K84Y part numbers in Alienware M15-R2 and M17-R2 laptops. It delivers 11.4 Volts and uses premium cells tested before shipment. The pack is rated for 300 to 500 recharge cycles and typically provides three to five hours of run time. It restores mobility without modifying the chassis.

Fits original battery bay without adapters

The battery slots directly into the existing compartment, requiring no extra cables, brackets or firmware updates. It frees the user from a degraded original pack that no longer holds charge. Installation is a simple swap that returns the notebook to its factory runtime specification. No additional hardware is needed.

For owners of compatible Alienware 15 and 17 models

This unit suits buyers with an M15-R2 or M17-R2 seeking a direct Y9M6F replacement. It is not for Area 51 R1, M15x or M15x R1 systems, nor for any laptop outside the listed part numbers. Buyers needing a different voltage, capacity or form factor should verify their exact part number first.

Highlights

  • Longer runtime from 76 Whr lithium-ion cells
  • Fits Alienware M15-R2 and M17-R2 laptops
  • Replaces part numbers 8K84Y and Y9M6F
  • Tested before shipment with 300-500 recharge cycles
  • Delivers 11.4 V for consistent power output

Specifications

Battery TypeLithium-Ion

Questions about this item

How long does the 76 Whr capacity last before it drops off under continuous load?

You can expect about 3 to 5 hours of run time with this Alienware Y9M6F battery, depending on the workload.

Does the battery generate noticeable heat or fan noise during all-day use?

The pack uses premium lithium-ion cells tested before shipment and is rated for 300 to 500 recharge cycles.

Which laptop models must I already own for this Y9M6F battery to fit and work?

It is compatible with Alienware M15-R2 and M17-R2 models and replaces part numbers 8K84Y and Y9M6F.

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