Dr. Battery
Dr. Battery MPL08251P-04 6-cell 10.8V 4400mAh laptop battery
Six-cell 10.8V 4400mAh lithium-ion replacement battery for HP ProBook 4535s, 4540s, 4545s, 4330s, 4331s, 4430s, HSTNN-OB2R and HSTNN-OB2T models
- ColorBlack
- TypeBattery
- CompatibilityHP ProBook 4330s / 4331s / 4430s / 4431s / 4435s / 4436s / 4
- Battery Type6 Cell Lithium-Ion
- Battery Voltage10.8V
- Battery Capacity4400 mAh
- Replaces original HP 633733 series batteries exactly
- 6-cell lithium-ion design delivers 4400 mAh capacity
- 8 V output matches ProBook 4530s/4540s requirements
- Built-in smart chip enables overheat and overload protection
- Dr. Battery quality control since 2006 ensures reliable performance
Dr. Battery MPL08251P-04 6-cell replacement
This 6-cell lithium-ion pack replaces original HP ProBook batteries for models 4330s 4331s 4430s 4431s 4435s 4436s 4440s 4441s 4446s 4530s 4535s 4540s 4545s. It delivers 10.8V and 4400mAh capacity with a built-in smart chip for charge management and protection against short circuit overheat and overload. The black unit is new and carries a one-year warranty.
For HP ProBook owners needing a direct swap
Suitable for users whose original part numbers match 633733-151 633733-1A1 633733-241 633733-251 633733-321 or HSTNN-OB2R HSTNN-OB2T HSTNN-Q87C-4 HSTNN-Q87C-5 HSTNN-Q88C HSTNN-Q88C-4 HSTNN-Q88C-5. Not for owners of other HP series or laptops requiring a different voltage cell count or connector layout.
Voltage and capacity must match your original
The decisive specification is the 10.8V 4400mAh rating printed on your existing battery. If your original shows a different voltage or capacity this pack will not fit or function correctly. Always compare the label before ordering.
Highlights
- Replaces original HP 633733 series batteries exactly
- 6-cell lithium-ion design delivers 4400 mAh capacity
- 8 V output matches ProBook 4530s/4540s requirements
- Built-in smart chip enables overheat and overload protection
- Dr. Battery quality control since 2006 ensures reliable performance
Specifications
| Brand | Dr. Battery |
|---|---|
| Model | MPL08251P-04 |
| Color | Black |
| Type | Battery |
| Compatibility | HP 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 Type | 6 Cell Lithium-Ion |
| Battery Voltage | 10.8V |
| Battery Capacity | 4400 mAh |
Questions about this item
What clearance does the 6-cell pack need behind the ProBook 4530s battery door?
The pack uses the original latch positions so it seats flush with the chassis; no extra depth beyond the standard bay is required.
Which step do installers most often miss when fitting the MPL08251P-04?
They forget to slide the release latch fully until it clicks, leaving the pack loose and the smart chip unpowered.
When should the 4400mAh unit be swapped out?
Replace it once run-time falls to roughly half of what a fresh 48Wh pack delivered, typically after one to two years of daily cycling.
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