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Black rectangular 6-cell lithium-ion laptop battery with label showing 10.8V 4400mAh

Dr. Battery

Dr. Battery MPL08251P-09 6-cell 10.8V 4400mAh laptop battery

SKU CH-GGHD-T78DB

Replacement 6-cell lithium-ion battery delivering 10.8V and 4400mAh for HP ProBook 4330s 4331s 4430s 4431s 4435s 4436s 4440s 4441s 4446s 4530s 4535s 4540s 4545s

  • ColorBlack
  • TypeBattery
  • CompatibilityHP ProBook 4330s / 4331s / 4430s / 4431s / 4435s / 4436s / 4
  • Battery Type6 Cell Lithium-Ion
  • Battery Voltage10.8V
  • Battery Capacity4400 mAh
  • Replaces HP ProBook originals including 633733-151 and 633805 series
  • 6-cell lithium-ion design delivers 4400 mAh capacity at 10.8 V
  • 48 Wh energy rating supports extended runtime between charges
  • Built-in smart chip provides short-circuit, overheat and overload protection
  • Dr. Battery quality control since 2006 ensures reliable OEM-level performance

Replacement battery for HP ProBook series

This Dr. Battery MPL08251P-09 replaces original HP batteries in ProBook 4330s 4331s 4430s 4431s 4435s 4436s 4440s 4441s 4446s 4530s 4535s 4540s 4545s models. It matches OEM part numbers including 633733-151 633733-241 633733-251 633733-321 and HSTNN-I97C-3 HSTNN-I97C-4 HSTNN-I98C-5 HSTNN-I99C. The six-cell lithium-ion pack is supplied new and carries a one-year warranty.

4400 mAh 10.8 V capacity with 48 Wh energy

The 4400 mAh rating at 10.8 volts delivers 48 watt-hours of energy for typical office workloads and web browsing. Six lithium-ion cells provide stable voltage through the discharge cycle. Runtime will fall short for sustained heavy loads such as video rendering or gaming sessions that draw maximum power from the system.

Smart-chip protection and charging limits

An integrated control chip manages charge current to reduce heat and extend cycle life. The circuitry enforces short-circuit overheat and overload safeguards during operation. The pack uses the laptop's native charging interface so no external adapter or special cable is required. Users must verify their exact model and original battery voltage before installation.

Highlights

  • Replaces HP ProBook originals including 633733-151 and 633805 series
  • 6-cell lithium-ion design delivers 4400 mAh capacity at 10.8 V
  • 48 Wh energy rating supports extended runtime between charges
  • Built-in smart chip provides short-circuit, overheat and overload protection
  • Dr. Battery quality control since 2006 ensures reliable OEM-level performance

Specifications

BrandDr. Battery
ModelMPL08251P-09
ColorBlack
TypeBattery
CompatibilityHP ProBook 4330s / 4331s / 4430s / 4431s / 4435s / 4436s / 4440s / 4441s / 4446s / 4530s / 4535s / 4540s / 4545s
Original Battery Part Number :
633733-151 / 633733-1A1 / 633733-241 / 633733-251 / 633733-321 / 633805-001 / 633809-001 / 650938-001 / HSTNN-1B2R / HSTNN-DB2R / HSTNN-DB2T / HSTNN-DB3C / HSTNN-I02C / HSTNN-I97C-3 / HSTNN-I97C-4 / HSTNN-I98C-5 / HSTNN-I99C / HSTNN-I99C-3 / HSTNN-I99C-4 / HSTNN-IB2R / HSTNN-LB2R / HSTNN-OB2R / HSTNN-OB2T / HSTNN-Q87C-4 / HSTNN-Q87C-5 / HSTNN-Q88C / HSTNN-Q88C-4 / HSTNN-Q88C-5 / HSTNN-Q89C / HSTNN-XB2E / HSTNN-XB2F / HSTNN-XB2G / HSTNN-XB2H /
Battery Type6 Cell Lithium-Ion
Battery Voltage10.8V
Battery Capacity4400 mAh

Questions about this item

Will the 10.8V 4400mAh battery run safely in my ProBook 4540s alongside the original AC adapter?

Yes. The 10.8V output matches the original specification for the 4540s and the built-in smart chip regulates charging to protect both the battery and the laptop's power circuit.

How can I confirm the 6-cell pack is charging correctly after I install it?

The laptop's battery LED should show a steady charging indicator and the OS will report a capacity near 48Wh once the first full charge cycle finishes.

Does the package include the HSTNN-I99C compatible battery only, or are screws and tools supplied?

Only the 6-cell lithium-ion battery is included; mounting screws and any opening tools must be sourced separately.

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