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Black rectangular 6-cell lithium-ion laptop battery

Dr. Battery

Dr. Battery MPL03238P-05 6-cell 10.8V 4400mAh laptop battery

SKU CH-YDH7-T6W5X

Replaces Asus A45, A55, A75, F45, F45A, F75A, F75VD, K45, K55, K55A, K55N, K55VD, K75, P45VJ, R400, R500, R700, U57, X45, X75, X75A, X75V.

  • Battery type6 Cell Lithium-Ion
  • Battery voltage rating10.8 V
  • Battery capacity4,400 mAh
  • Product colorBlack
  • Product typeBattery
  • Compatible withAsus A45 / A55 / A75 / F45 / F45A / F75A / F75VD / K45 / K55
  • Replaces original Asus A32-K55, A33-K55 and A41-K55 packs
  • Six lithium-ion cells deliver 4400 mAh at 10.8 V
  • Smart control chip enables quicker charging and longer discharge time
  • Built-in protections guard against short circuit, overheat and overload
  • Dr. Battery has supplied mobile power products since 2006

Replacement for Asus K55 and X75 series

This 6-cell lithium-ion battery replaces original Asus part numbers A32-K55, A32-K55X, A33-K55 and A41-K55. It fits a wide range of Asus models including the K45, K55, K55A, K55N, K55VD, K75, X75V, X75VC and X75VD series. The unit is supplied new and includes a one-year warranty from the manufacturer.

4400 mAh capacity and 48 Wh energy

The pack delivers 4400 mAh at 10.8 volts, providing 48 watt-hours of stored energy for typical daily workloads. Six lithium-ion cells supply enough headroom for several hours of office tasks or media playback. Runtime will decrease under sustained heavy loads such as gaming or video rendering where the cells reach their current limits sooner.

10.8 V lithium-ion interface constraints

The battery operates at a fixed 10.8 V output matched to the laptop's charging circuit and built-in protection chip. The smart control chip manages charge current, short-circuit, overheat and overload safeguards within the original specification. Using this pack with a system expecting a different voltage or cell count will prevent charging or trigger safety shutdowns.

How it compares

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

Price $37.99
Pricier than about 68% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDr. Battery
Model nameMPL03238P-05
Product colorBlack
Product typeBattery
Power
Battery type6 Cell Lithium-Ion
Battery voltage rating10.8 V
Battery capacity4,400 mAh
Compatibility
Compatible withAsus A45 / A55 / A75 / F45 / F45A / F75A / F75VD / K45 / K55 / K55A / K55N / K55VD / K75 / P45VJ / R400 / R500 / R700 / U57 / X45 / X75 / X75A / X75 V / X75VC / X75VD
Original Battery Part Number :
A32-K55 / A32-K55X / A33-K55 / A41-K55

Questions about this item

Will this 10.8 V 4400 mAh pack fit the same bay as my original A32-K55X battery?

Yes — it replaces the A32-K55, A32-K55X, A33-K55 and A41-K55 packs used in the listed Asus models.

How can I confirm the smart chip is balancing the six lithium-ion cells after installation?

The built-in chip manages charging and protections automatically; normal charge cycles and stable run-time indicate it is working.

Does the box include a screwdriver or only the 6-cell battery itself?

Only the battery is supplied; any tools needed for the swap must be sourced separately.

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