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Black rectangular 6-cell lithium-ion laptop battery

Dr. Battery

Dr. Battery MPL03243P-23 6-cell 10.8V 4400mAh laptop battery

SKU CH-089Z-1VDCX

Replacement 6-cell 10.8V 4400mAh lithium-ion battery compatible with numerous Asus U-series models including U33, U42, U43, U52 and U53

  • Battery type6 Cell Lithium-Ion
  • Battery voltage rating10.8 V
  • Battery capacity4,400 mAh
  • Product colorBlack
  • Product typeBattery
  • Compatible withAsus U33 / U33J / U33Jc / U33JT / U42 / U42F / U42J / U42JC
  • Fits Asus U33, U42, U43, U52, U53 series
  • 6-cell lithium-ion design delivers 4400 mAh capacity
  • 8 V output matches original battery specifications
  • 48 Wh energy rating supports extended runtime
  • Built-in smart chip provides overheat and short-circuit protection

Dr. Battery 6-cell 4400 mAh replacement

This new lithium-ion battery replaces the original pack in compatible Asus U-series laptops. It delivers 10.8 volts and 4400 mAh capacity for 48 watt-hours of runtime. The six-cell design matches the form factor used in models from U33 through U53 variants.

10.8 V lithium-ion chemistry limits

Lithium-ion cells degrade with each charge cycle and lose capacity over time regardless of use. The built-in smart control chip manages charging current and provides short-circuit, overheat and overload protection. Voltage must match the original 10.8 V specification or the laptop will not operate correctly.

Verify model number and original voltage

Check the laptop model against the long compatibility list before ordering. Confirm the original battery part number and its rated output voltage match 10.8 V. A mismatched voltage or incorrect physical layout will prevent installation or cause damage.

How it compares

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

Price $39.99
Pricier than about 71% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDr. Battery
Model nameMPL03243P-23
Product colorBlack
Product typeBattery
Power
Battery type6 Cell Lithium-Ion
Battery voltage rating10.8 V
Battery capacity4,400 mAh
Compatibility
Compatible withAsus U33 / U33J / U33Jc / U33JT / U42 / U42F / U42J / U42JC / U42S / U42SD / U43 / U43F / U43J / U43Jc / U43S / U43SD / U43SV / U52 / U52F / U52J / U52Jc / U53 / U53F / U53J / U53Jc / U53S / U53SD / U53SV
Original Battery Part Number :
A31-U53 / A32-U53 / A41-U53 / A42-U53

Questions about this item

Should I pick the 6-cell 4400 mAh version or a higher-capacity option for my Asus U53S?

This model provides 6 cells at 4400 mAh and 48 Wh; if your original battery matches the A32-U53 or A42-U53 part numbers listed, this capacity is the direct replacement.

What does the 10.8 V rating mean for daily runtime on an Asus U43J?

The 10.8 V output matches the OEM specification for the U43 series, so the laptop's power management will report the same charge levels and runtime you had with the factory pack.

Does the pack use a proprietary connector or a standard SMBus interface for the Asus U33Jc?

It uses the same multi-pin connector and SMBus communication as the original Asus A31-U53 battery, allowing the BIOS to read charge status and enable the built-in protection circuits.

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