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Rectangular 4-cell lithium-ion laptop battery, 91Wh 11.4V

DELL

DELL 91Wh 4-cell 11.4V lithium-ion laptop battery

SKU CH-6MBY-46E2X

A 91 Wh lithium-ion pack with four cells at 11.4 V, built as a direct replacement for the listed Dell part numbers

  • Battery typeLithium-Ion
  • Compatible withCompatible with Dell MFKVP 451-BBSB 451-BBSF GR5D3 1G9VM M28
  • 91Wh capacity extends runtime for demanding tasks
  • 4-cell lithium-ion design delivers reliable power density
  • 4V output matches original Dell specifications
  • Compatible with MFKVP 451-BBSB and related part numbers
  • CE and RoHS certified for safety compliance

91Wh 4-cell Dell laptop battery

This replacement battery delivers a 91Wh capacity across four lithium-ion cells at 11.4V. It is built to fit Dell part numbers MFKVP 451-BBSB 451-BBSF GR5D3 1G9VM M28DH T05W1 0FNY7 TWCPG. The unit is supplied new and carries CE and RoHS certification for safety compliance.

Suits owners of the listed Dell models needing

Buyers must verify the original battery against product photos because two incompatible variants exist for the same laptop series. Anyone whose part number falls outside the listed codes should look elsewhere, as fit and electrical matching are not guaranteed.

One-year replacement warranty covers material

The bundled warranty provides a direct replacement if the battery exhibits flaws in materials or workmanship during the coverage period. No additional software, cables or adapters are included in the package.

How it compares

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

Price $25.99
Cheaper than about 60% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium-Ion
Compatibility
Compatible withCompatible with Dell MFKVP 451-BBSB 451-BBSF GR5D3 1G9VM M28DH T05W1 0FNY7 TWCPG

Questions about this item

Which Dell laptop models must I already own for this 91Wh 11.4V battery to fit?

This battery fits Dell part numbers MFKVP, 451-BBSB, 451-BBSF, GR5D3, 1G9VM, M28DH, T05W1, 0FNY7 and TWCPG; compare your original battery to the product photos before ordering.

Will my existing Dell AC adapter charge this 4-cell lithium-ion pack at the same 11.4V?

Yes, the pack is rated for 11.4V operation, so any Dell charger that supplied 11.4V to the original battery will charge this replacement normally.

How can I confirm the new 91Wh battery is working correctly after installation?

The operating system should report a design capacity of 91Wh and show the charge percentage rising smoothly while the AC adapter is connected.

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