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Black rectangular 6-cell lithium-ion laptop battery

Dr. Battery

Dr. Battery MPL08251P-30 6-cell 4400mAh 10.8V laptop battery

SKU CH-4S6R-RQNX8

Replacement 6-cell 10.8V 4400mAh lithium-ion battery for HP ProBook 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4540s and 4545s 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
  • 6-cell lithium-ion design delivers 4400 mAh capacity
  • 8 V output matches original HP ProBook specifications
  • Replaces multiple HP part numbers including 633733 series
  • Built-in smart chip provides overheat and overload protection
  • Dr. Battery quality since 2006 ensures reliable performance

Replacement battery for HP ProBook

This 6-cell lithium-ion pack is built as a direct replacement for HP ProBook 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4540s and 4545s models. It matches the original 10.8V specification and delivers 4400mAh capacity. A built-in smart control chip manages charging and provides short-circuit, overheat and overload protection.

Suitable for owners of listed ProBooks needing

Buyers who need a different voltage or a higher capacity than 4400mAh should look elsewhere. This unit does not fit laptop series outside the compatibility list, so owners of other HP families or non-HP brands cannot use it. The one-year manufacturer warranty covers defects in materials and workmanship.

4400mAh capacity at 10.8V decides fit

The 48Wh energy rating determines how long the laptop runs on battery power. Verify your original part number against 633733-151, 633733-241, 633733-251, 633733-321 or 633805 prefixes before ordering. Matching both voltage and capacity ensures correct operation.

How it compares

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

Price $34.99
Pricier than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDr. Battery
Model nameMPL08251P-30
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

Will this 10.8 V battery fit the HP ProBook 4535s I already own?

Yes, the MPL08251P-30 is listed as a direct replacement for the ProBook 4535s and matches the original 10.8 V specification.

How can I confirm the battery is working correctly after I install it?

The built-in smart control chip manages charging; you should see normal charge progress in the OS battery meter and no overheating alerts.

Does the package include a charger or only the 6-cell 4400 mAh battery?

Only the battery itself is supplied; you must reuse your existing HP AC adapter.

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