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Black rectangular lithium-ion laptop battery with label showing 11.1V 72Wh

Beisite

Beisite T05W1 laptop battery 11.1V 72Wh for Precision 7510 7520 7710 7720

SKU CH-6J0Y-MD8M9

11.1 V 72 Wh lithium-ion replacement battery for Dell Precision 7510, 7520, 7710 and 7720 mobile workstations

  • ColorBlack
  • TypeBattery
  • CompatibilityFor Precision 15 7510 7520 17 7000 7720 M7510 M7710 Series
  • Battery TypeLithium-Ion
  • Battery Voltage11.1V
  • Battery Capacity72Wh
  • 72Wh capacity powers Precision workstations through long sessions
  • 1V lithium-ion chemistry matches original Dell specifications
  • Replaces multiple Dell part numbers including 31CP7/30/63-2
  • Fits Precision 7510 7520 7710 7720 and M-series models
  • Brand new condition with 12 month warranty coverage

Direct replacement battery

This 11.1 V lithium-ion pack supplies 72 Wh of capacity and fits Dell Precision 15 7510, 7520 and 17 7710, 7720 mobile workstations. It replaces original part numbers such as 0FNY7, 1G9VM, 451-BBSB, 451-BBSE, 451-BBSF, GR5D3, M28DH and MFKVP. The black enclosure matches the factory colour scheme.

Voltage and capacity fixed

The cell chemistry and 11.1 V output are set by the laptop’s charging circuit, so the pack cannot be upgraded to a higher voltage or a different chemistry. Capacity is limited to the stated 72 Wh; the system will not accept a larger watt-hour rating without firmware support. Physical dimensions follow the original battery bay exactly.

Match the part number

Compatibility depends on confirming that your original battery carries one of the listed part numbers such as 31CP7/30/63-2, T05W1 or any of the Dell codes above. If the original label shows a different code, the pack may not seat or communicate with the power management controller. Verify the part number before ordering.

Highlights

  • 72Wh capacity powers Precision workstations through long sessions
  • 1V lithium-ion chemistry matches original Dell specifications
  • Replaces multiple Dell part numbers including 31CP7/30/63-2
  • Fits Precision 7510 7520 7710 7720 and M-series models
  • Brand new condition with 12 month warranty coverage

Specifications

BrandT05W1
ModelT05W1
Part Number31CP7/30/63-2
ColorBlack
TypeBattery
CompatibilityFor Precision 15 7510 7520 17 7000 7720 M7510 M7710 Series
Battery TypeLithium-Ion
Battery Voltage11.1V
Battery Capacity72Wh

Questions about this item

Should I choose the 11.1V 72Wh version or is there another capacity for my Precision 7510?

This battery is offered in a single 11.1V 72Wh specification that matches the original part numbers for Precision 7510, 7520, 7710 and 7720 models.

What does the 72Wh rating mean for daily runtime on a Precision 7720?

The 72Wh capacity restores the factory-rated energy storage, delivering comparable run time to the original battery when the laptop is used under typical workloads.

Does the 11.1V lithium-ion pack use a proprietary Dell connector or a standard interface?

It uses the same proprietary Dell connector as the original 31CP7/30/63-2 part, ensuring direct fit without adapters for the listed Precision models.

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