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Black rectangular 6-cell lithium-ion laptop battery

Dr. Battery

Dr. Battery MPL08251P-15 6-cell 4400 mAh 10.8V laptop battery

SKU CH-A71D-VQ9PJ

A 6-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 15 original HP part numbers for wide compatibility
  • 6-cell lithium-ion design delivers 4400 mAh at 10.8V
  • Built-in smart chip enables short-circuit, overheat and overload protection
  • 48 Wh capacity supports extended mobile runtime
  • Dr. Battery brand established since 2006 with 1-year warranty

Replacement Battery for HP ProBook Models

This Dr. Battery 6-cell lithium-ion pack replaces original HP part numbers including 633733-151 and HSTNN-I97C-4. It fits ProBook 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4540s and 4545s. The 10.8V, 4400 mAh unit restores mobile power for compatible business laptops.

Upgrade from Worn or Failed OEM Packs

The jump is worth it when the original battery no longer holds a useful charge or shows reduced runtime. Built-in smart control circuitry provides quicker charging, lower power consumption and longer discharge time. Protection against short circuit, overheat and overload maintains safe operation during daily use.

Sustained Performance Under Load

Professional-grade cells maintain OEM specification levels through extended work sessions. The 48Wh capacity supports consistent output without the rapid voltage drop seen in degraded packs. One-year warranty reflects confidence in reliable performance over repeated charge cycles.

How it compares

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

Price $35.99
Pricier than about 64% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDr. Battery
Model nameMPL08251P-15
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

Which HP ProBook models does the MPL08251P-15 battery fit?

This pack is built for HP ProBook 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4540s and 4545s.

What is the correct order to swap the battery on these ProBooks?

Power off the laptop, unplug the AC adapter, slide the release latch, remove the old pack, insert the new one until it clicks, then charge it fully before first use.

When should the MPL08251P-15 be replaced?

Replace it when run time drops well below the rated 48 Wh or the pack no longer holds a charge after a full cycle.

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