Dr. Battery
Dr. Battery MPL08251P-28 6-cell 10.8V 4400mAh laptop battery
Six-cell lithium-ion replacement for many HP ProBook models, 10.8V 4400mAh capacity with built-in protection circuits
- ColorBlack
- TypeBattery
- CompatibilityHP ProBook 4330s / 4331s / 4430s / 4431s / 4435s / 4436s / 4
- Battery Type6 Cell Lithium-Ion
- Battery Voltage10.8V
- Battery Capacity4400 mAh
- Delivers 48 Wh of runtime from a 4400 mAh lithium-ion pack
- Six cells at 10.8 V match the original HP ProBook specifications
- Replaces HP part numbers including 633733-151, 633733-241 and 633805 series
- Smart control chip enables short-circuit, overheat and overload protection
- Compatible with HP ProBook 4330s, 4430s, 4530s and related models
Replacement battery for HP ProBook series
This 6-cell lithium-ion unit replaces original HP batteries for ProBook 4330s, 4331s, 4430s, 4431s, 4435s, 4436s, 4440s, 4441s, 4446s, 4530s, 4535s, 4540s and 4545s models. It delivers 10.8V and 4400mAh capacity for mobile professionals needing reliable power away from a desk.
Verify your original part number before ordering
Match the battery against HP part numbers 633733-151, 633733-1A1, 633733-241, 633733-251, 633733-321 or 633805-0. Confirm the laptop model and output voltage printed on your existing pack to avoid fitment issues.
Built-in smart chip manages charging and safety
The integrated control circuit provides quicker charging, lower power consumption and longer discharge time. Short-circuit, overheat and overload protections are included. A one-year manufacturer warranty covers the unit.
Highlights
- Delivers 48 Wh of runtime from a 4400 mAh lithium-ion pack
- Six cells at 10.8 V match the original HP ProBook specifications
- Replaces HP part numbers including 633733-151, 633733-241 and 633805 series
- Smart control chip enables short-circuit, overheat and overload protection
- Compatible with HP ProBook 4330s, 4430s, 4530s and related models
Specifications
| Brand | Dr. Battery |
|---|---|
| Model | MPL08251P-28 |
| 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
Does the Dr. Battery MPL08251P-28 come with installation tools or do I need to buy them separately?
The package contains the 6-cell 10.8V 4400mAh lithium-ion battery only; no tools or screws are included, so you will need a suitable screwdriver for the ProBook battery bay.
My ProBook 4530s original battery is part number 633733-251 — is this the correct replacement?
Yes, the MPL08251P-28 replaces HP part numbers including 633733-151, 633733-251, 633733-321 and the HSTNN-I99C series used in the 4530s and related models.
What does the 48Wh rating mean for daily runtime on a ProBook 4440s?
The 48Wh capacity matches the original 6-cell specification, delivering comparable run time to the factory battery under the same workload and power settings.
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