HP ProBook 4520S Battery (Original)

Model Number: Commonly associated with HP QC09 or HP OA04 (depending on the region and specifications).

• Battery Type: 6-cell or 9-cell Li-ion
• Voltage: Typically 10.8V or 11.1V
• Capacity: Around 4400mAh to 5200mAh (depending on the battery variant)
• Run Time: Offers up to 4–6 hours of usage with the 6-cell battery, and 6-9 hours with the 9-cell version, depending on usage and power settings.

Key Features:

1. Long-lasting Performance: Provides reliable power for long working hours without needing constant recharging.
2. Compatibility: Specifically designed for the HP ProBook 4520S, ensuring it works seamlessly with the laptop for optimal performance.
3. Rechargeable: Li-ion technology allows for longer battery life and recharge cycles, offering extended durability compared to older battery types.
4. Quick Charging: Supports quick charging and can be recharged to full capacity relatively quickly.