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Rectangular black lithium-ion laptop battery pack

KingSener

KingSener T470 laptop battery Y9M6F 11.4V 76Wh 6667mAh

SKU CH-56SF-9QJ7B MPN T470

Replacement 11.4 V 76 Wh Li-ion battery for Dell Alienware M15 R2 and M17 R2 models

  • Battery voltage ratingY9M6F
  • Battery capacity76WH/6667 mAh
  • 76 Wh capacity extends runtime between charges
  • 4 V Li-ion cells deliver stable power output
  • 6667 mAh rating matches original design specification
  • Compatible with Dell Alienware M15 R2 and M17 R2 series
  • Brand-new replacement battery with 1-year warranty included

Compatible Dell Alienware Models

The KingSener Y9M6F battery replaces the original power pack in Dell Alienware M15 R2 and M17 R2 systems. It matches part numbers P87F, P41E, ALW17M-D4758W, ALW17M-D4725W, 0Y9M6F and 8K84V for a direct fit.

Capacity and Voltage

This lithium-ion unit delivers 76Wh at 11.4V, providing 6667mAh of charge for extended mobile sessions. The cells are specified to meet or exceed the design capacity so runtime stays consistent.

Upgrade From Worn Originals

Owners of a depleted factory battery regain full runtime without chassis modifications. The swap is not suitable for laptops outside the listed Alienware series or for users needing a higher-capacity design.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $43.99
Pricier than about 76% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameKingSener
Model nameY9M6F
Part numberY9M6F 0Y9M6F 8K84 V 08K84 V
Power
Battery voltage ratingY9M6F
Battery capacity76WH/6667 mAh

Questions about this item

Will the 11.4 V 76 Wh Y9M6F fit my Alienware M15 R2 alongside the original 8K84V battery?

Yes, the KingSener Y9M6F is built to the same dimensions and voltage as the original 8K84V pack, so it installs directly into the M15 R2 without modification.

How can I verify the 76 Wh capacity is genuine after the first charge?

Run a full charge cycle and compare the reported design capacity in your OS battery report; it should read 76 Wh or 6667 mAh at 11.4 V.

Does the box include any screws or tools for the Alienware M17 R2 installation?

No, only the replacement battery is supplied; reuse the existing screws and use a standard Phillips screwdriver for the swap.

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