HP ProBook 4430s, 4435s, 4440s, 4530s, 4535s, 4540s, 4545s, and 4740s laptops. Featuring a 55Wh capacity, 10.8V/11.1V output, and 5200mAh lithium-ion construction, it delivers reliable power, longer battery backup, and efficient energy management for business and everyday computing. Advanced safety circuitry protects against overcharging, overheating, over-current, and short circuits, ensuring safe and dependable operation. Designed to meet OEM specifications, the PR06 is the ideal replacement for restoring your HP ProBook’s battery life, portability, and overall performance.
Features
- Premium lithium-ion cells for reliable and long-lasting performance.
- 55Wh high-capacity battery for extended runtime.
- Built-in protection against overcharging, overheating, over-current, and short circuits.
- Stable power delivery for business, office, and everyday computing.
- Direct-fit replacement designed to meet or exceed OEM specifications.
- Supports hundreds of charge cycles for dependable long-term use.
Key Specifications
- Battery Model: PR06
- Battery Type: Lithium-Ion (Li-Ion)
- Cells: 6-Cell
- Voltage: 10.8V / 11.1V
- Capacity: 55Wh (5200mAh)
- Color: Black
- Condition: Brand New Replacement Battery
- Rechargeable: Yes
Compatible Laptop Models
- HP ProBook 4430s
- HP ProBook 4431s
- HP ProBook 4435s
- HP ProBook 4440s
- HP ProBook 4441s
- HP ProBook 4445s
- HP ProBook 4530s
- HP ProBook 4535s
- HP ProBook 4540s
- HP ProBook 4545s
- HP ProBook 4740s
Compatible Part Numbers
- PR06
- PR09
- QK646AA
- QK646UT
- 633733-151
- 633733-321
- 633733-421
- 633805-001
- HSTNN-DB2R
- HSTNN-LB2Q
- HSTNN-Q94C
- HSTNN-Q95C





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