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Black rectangular Dell laptop battery with three cells

DELL

DELL 6TW9W G91J0 Laptop Battery 3-cell 11.25V 41Wh

SKU CH-C9G7-71EV9

A 3-cell lithium-ion laptop battery delivering 41 Wh at 11.25 V

  • Battery typeLithium-Ion
  • Lithium-ion chemistry delivers reliable power
  • 41 Wh capacity supports extended mobile use
  • 25 V output matches original specification
  • Three-cell design keeps weight low

Compatible Dell replacement battery

This 3-cell lithium-ion battery carries the Dell 6TW9W G91J0 part numbers and delivers 11.25 volts at 41 Wh. It is designed as a direct swap for Dell laptops that specify this exact battery model.

Thermal and power behaviour

Lithium-ion chemistry keeps self-discharge low and maintains stable voltage during typical workloads. The pack runs cool under normal charge and discharge cycles with no audible noise.

How it compares

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

Price $35.99
Pricier than about 64% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium-Ion

Questions about this item

How do I install the Dell 6TW9W G91J0 battery and what step is often missed?

Power off the laptop, unplug the AC adapter, remove the base cover screws, disconnect the old battery cable before lifting it out, connect the new 3-cell 11.25V pack, then reassemble — forgetting to unplug the cable first risks a short.

What maintenance or replacement will the Dell 6TW9W G91J0 battery need later?

The 41Wh lithium-ion pack will lose capacity over hundreds of charge cycles; when run-time no longer meets your needs, replace it with another 3-cell 11.25V unit.

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