Dr. Battery
Dr. Battery MPL08217P-27 6-cell 10.8V 4400mAh laptop battery
Replacement 6-cell lithium-ion battery at 10.8V and 4400mAh for HP Pavilion and Compaq Presario laptops
- ColorBlack
- TypeBattery
- CompatibilityCompaq Presario CQ40 / CQ41 / CQ45 / CQ50 / CQ50T / CQ50Z /
- Battery Type6 Cell Lithium-Ion
- Battery Voltage10.8V
- Battery Capacity4400 mAh
- 6-cell lithium-ion design delivers extended runtime
- 8V 4400mAh capacity matches OEM power specifications
- Smart control chip enables quicker charging and longer discharge
- Built-in protections prevent short circuit, overheat and overload
- Compatible with HP Pavilion, Compaq Presario and HP G series models
Replacement battery for HP Pavilion
This 6-cell lithium-ion pack replaces original batteries in HP Pavilion DV4, DV5, DV6 and HDX16 series as well as Compaq Presario CQ40 through CQ71 models. It delivers 10.8V and 4400mAh capacity for 48Wh of energy. The unit is new and carries a one-year warranty from the manufacturer.
Black six-cell housing with integrated protection
The battery uses a black plastic enclosure that matches the original form factor for direct installation. A built-in smart control chip manages charging and discharging while providing short-circuit, overheat and overload safeguards. No additional cables or adapters are required for daily use.
Limited to 10.8V 4400mAh specification
The pack operates at a fixed 10.8V output and cannot support laptops that require a different voltage or higher capacity. Runtime will vary with system load and battery age. Buyers needing extended runtime beyond 4400mAh or a different voltage must select another model.
Highlights
- 6-cell lithium-ion design delivers extended runtime
- 8V 4400mAh capacity matches OEM power specifications
- Smart control chip enables quicker charging and longer discharge
- Built-in protections prevent short circuit, overheat and overload
- Compatible with HP Pavilion, Compaq Presario and HP G series models
Specifications
| Brand | Dr. Battery |
|---|---|
| Model | MPL08217P-27 |
| Color | Black |
| Type | Battery |
| Compatibility | Compaq Presario CQ40 / CQ41 / CQ45 / CQ50 / CQ50T / CQ50Z / CQ60 / CQ60Z / CQ61 / CQ70 / CQ71 HP G50 / G60 / G60t / G61 / G70 / G71 / G71t / HDX 16 / HDX 16T HP Pavilion DV4 / DV4T / DV5 / DV5T / DV5Z / DV6 / DV6T / DV6Z / G50 / G60 / G61 / G70 / G70T / HDX16 Original Battery Part Number : 462889-121 / 462890-251 / 462890-421 / 462890-542 / 462890-761 / 462890-851 / 482186-003 / 484170-001 / 484170-002 / 484171-001 / 484172-001 / 485041-001 / 485041-002 / 485041-003 / 497694-001 / 497695-001 / 498482-001 / 509458-001 / 511872-001 / 511883-001 / 511884-001 / 513775-001 / EV06 / HSTNN- |
| Battery Type | 6 Cell Lithium-Ion |
| Battery Voltage | 10.8V |
| Battery Capacity | 4400 mAh |
Questions about this item
What voltage does the 10.8 V lithium-ion pack deliver to compatible HP and Compaq laptops?
It supplies a steady 10.8 V at 4400 mAh, matching the original specification for the listed Pavilion, HDX, G-series and Presario models.
Which battery bay dimensions and latch style does the 6-cell pack fit?
The black 6-cell housing is moulded to the OEM footprint for HP part numbers HSTNN-Q34C, Q37C, Q40C, Q58C, UB72, UB73 and W50C, so it slides into the same bay without adapters.
What is the correct first-use procedure for the built-in smart chip?
After inserting the pack, charge it fully without interruption, then run the laptop on battery until it shuts down; this single cycle calibrates the protection circuitry.
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