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Black rectangular 6-cell lithium-ion laptop battery

Dr. Battery

Dr. Battery MPL03243P-22 6 Cell 10.8V 4400mAh laptop battery

SKU CH-PQS8-V2CS4

A 6-cell lithium-ion replacement battery delivering 10.8V and 4400mAh for compatible Asus laptops

  • ColorBlack
  • TypeBattery
  • CompatibilityAsus U33 / U33J / U33Jc / U33JT / U42 / U42F / U42J / U42JC
  • Battery Type6 Cell Lithium-Ion
  • Battery Voltage10.8V
  • Battery Capacity4400 mAh
  • 6-cell lithium-ion design delivers reliable mobile power
  • 8V 4400mAh capacity matches original Asus specifications
  • Built-in smart chip enables quicker charging and longer discharge
  • circuit, overheat and overload protections ensure safe use
  • Compatible with a wide range of Asus U-series laptops

Replacement battery for Asus U42 and U53 series

This new Dr. Battery MPL03243P-22 unit replaces the original power pack in a wide range of Asus U-series laptops including the U42S, U43J, U52F and U53J models. It uses six lithium-ion cells rated at 10.8V and 4400 mAh to restore factory-level runtime. The pack is built to OEM specification and carries a one-year warranty.

Smart control chip manages charging and safety

A built-in control chip regulates the charge cycle for quicker replenishment and lower power draw during operation. The circuitry provides short-circuit, overheat and overload protection to keep the laptop and user safe. Normal use stays cool and quiet because the battery has no moving parts and generates minimal waste heat.

Fits existing bay without extra hardware

The battery slides into the standard compartment on compatible Asus U33, U42, U43 and U52 chassis, requiring no adapters, cables or firmware updates. Its 48 Wh capacity frees the user from mains power for everyday office or study tasks. Buyers who need higher capacity for extended off-grid work or a different voltage for non-Asus models should look elsewhere.

Highlights

  • 6-cell lithium-ion design delivers reliable mobile power
  • 8V 4400mAh capacity matches original Asus specifications
  • Built-in smart chip enables quicker charging and longer discharge
  • circuit, overheat and overload protections ensure safe use
  • Compatible with a wide range of Asus U-series laptops

Specifications

BrandDr. Battery
ModelMPL03243P-22
ColorBlack
TypeBattery
CompatibilityAsus 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
Battery Type6 Cell Lithium-Ion
Battery Voltage10.8V
Battery Capacity4400 mAh

Questions about this item

How do I install the MPL03243P-22 battery in my Asus U43J, and which step is often missed?

Power off the laptop, disconnect the AC adapter, slide the release latch, remove the old pack, insert the new 6 cell unit until it clicks, then reconnect power and allow a full charge before first use.

What maintenance will the 4400 mAh lithium ion pack need over its life?

Store at roughly half charge if unused for weeks, keep the contacts clean, avoid constant full discharge, and replace the pack when run time drops well below the original 48 Wh rating.

What limit appears first during sustained heavy load on this 10.8 V battery?

The built in protection circuit will cut output if temperature or current exceeds safe thresholds, so prolonged high draw triggers an automatic shutdown before the cells overheat.

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