HP PH06 Laptop Battery is a premium 6-cell replacement battery compatible with HP ProBook 4320, 4320s, 4520, 4520s, 4720s, and other supported HP ProBook and HP Compaq notebook models. Featuring a 47Wh capacity, 10.8V output, and 4400mAh lithium-ion construction, it delivers reliable power, longer battery runtime, and efficient energy management. Advanced safety circuitry protects against overcharging, overheating, over-current, and short circuits, ensuring safe and dependable performance. Designed to meet OEM specifications, the PH06 is the ideal solution for replacing a worn-out battery and restoring your HP laptop’s mobility, productivity, and long-lasting performance.
Features
- Premium lithium-ion cells for reliable and long-lasting performance.
- 47Wh capacity provides dependable battery backup for daily use.
- Built-in protection against overcharging, overheating, over-current, and short circuits.
- Stable power delivery for office work, business applications, and everyday computing.
- Direct-fit replacement engineered to meet or exceed OEM specifications.
- Supports hundreds of charge cycles for extended service life.
Key Specifications
- Battery Model: PH06
- Battery Type: Lithium-Ion (Li-Ion)
- Cells: 6-Cell
- Voltage: 10.8V
- Capacity: 47Wh (4400mAh)
- Color: Black
- Condition: Brand New Replacement Battery
- Rechargeable: Yes
Compatible Laptop Models
- HP ProBook 4320
- HP ProBook 4320s
- HP ProBook 4325s
- HP ProBook 4420s
- HP ProBook 4425s
- HP ProBook 4520
- HP ProBook 4520s
- HP ProBook 4525s
- HP ProBook 4720s
- HP 620
- HP 625
- HP Compaq 320, 321, 325, 420, 421, 620 Series
Compatible Part Numbers
- PH06
- BQ350AA
- 587706-751
- 587706-761
- 593572-001
- HSTNN-CB1A
- HSTNN-DB1A
- HSTNN-UB1A
- HSTNN-Q78C
- HSTNN-Q81C
- H4Q47AA
- H4Q48AA





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