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Black rectangular laptop battery with six cells and label showing 10.8V 4400mAh

Dr. Battery

Dr. Battery MPL08251P-14 laptop battery 6 cell 10.8V 4400mAh

SKU CH-3S9Q-PYAXD

Six-cell lithium-ion replacement battery delivering 4400 mAh at 10.8 V for compatible HP ProBook models

  • Battery type6 Cell Lithium-Ion
  • Battery voltage rating10.8 V
  • Battery capacity4,400 mAh
  • Product colorBlack
  • Product typeBattery
  • Compatible withHP ProBook 4330s / 4331s / 4430s / 4431s / 4435s / 4436s / 4
  • Replaces multiple HP ProBook models with one battery
  • 8V 4400mAh capacity powers extended work sessions
  • Six lithium-ion cells deliver reliable mobile energy
  • Built-in smart chip protects against short circuits and overheating
  • Backed by a one-year warranty from 2006-established brand

Replacement for HP ProBook series

This 6-cell lithium-ion battery replaces original HP part numbers including 633733-321 and HSTNN-DB2R. It fits ProBook models such as the 4330s, 4430s, 4446s, 4530s and 4545s. The unit ships new and carries a one-year warranty from Dr. Battery, a brand established in 2006.

Thermals and power in daily use

The pack operates at 10.8 V and stores 4400 mAh for a total of 48 Wh. A built-in smart control chip manages charging to reduce power consumption and extend discharge time. Protection circuits guard against short circuit, overheat and overload during normal operation.

Behaviour under sustained load

The same protection circuits remain active during prolonged discharge, limiting temperature rise and preventing overload. Cell balancing from the control chip helps maintain consistent output over long sessions. The 48 Wh capacity supports extended mobile work without requiring a recharge.

How it compares

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

Price $36.99
Pricier than about 66% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDr. Battery
Model nameMPL08251P-14
Product colorBlack
Product typeBattery
Power
Battery type6 Cell Lithium-Ion
Battery voltage rating10.8 V
Battery capacity4,400 mAh
Compatibility
Compatible withHP 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 /

Questions about this item

How do I install the MPL08251P-14 battery in my HP ProBook 4530s, and what step is often missed?

Slide the pack into the battery bay until the latch clicks; the step often missed is verifying the original part number 633733-321 or 633805-001 on the old battery before fitting the new one.

What maintenance or replacement will the 6-cell 4400 mAh pack need later?

The lithium-ion cells degrade with each charge cycle; plan to replace the pack when run-time drops below your needs, typically after one to two years of daily use.

What limit appears first during sustained use of the 10.8 V 48 Wh battery?

The 4400 mAh capacity sets the runtime ceiling; under continuous load the pack will reach its discharge limit before thermal protection activates.

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