Battery HP SA04055XL-PL 55Wh 4-cell lithium-ion replacement for compatible HP laptops

HP SA04055XL-PL is a 55Wh 4-cell lithium‑ion replacement battery designed for compatible HP laptops. It restores portable power for mobile use, extends runtime for work, study or travel, and allows quick swap-in replacement when the original battery no longer holds sufficient charge. The battery is intended as a direct-compatible power source that matches physical and electrical requirements of specified laptop models.

Advantages

This replacement battery offers a 55Wh capacity in a compact 4-cell design to provide a balance between runtime and weight. As a lithium‑ion unit, it maintains consistent discharge characteristics and supports typical battery-management features of HP notebooks. The battery is designed to fit form factor and connector specifications of compatible laptops to enable straightforward installation and reliable electrical contact.

Suitable for

• Replacing a worn or failing battery in supported HP laptops
• Extending mobile runtime for office work, study sessions, or travel
• Maintaining portable power for fieldwork or remote use where AC outlets are not available

Key specifications

• Battery type: Lithium‑ion (Li‑ion)
• Capacity: 55 Wh
• Cell count: 4 cells
• Intended use: Replacement battery for compatible HP notebook models
• Primary function: Provides DC power to laptop and supports battery-management charging and discharge cycles

How to use

Power down the laptop and disconnect any external power source before replacing the battery. Remove the existing battery according to the laptop manufacturer’s instructions and insert the SA04055XL-PL replacement, ensuring the contacts align and the battery locks into place. After installation, connect AC power and allow the system to recognize and charge the new battery; perform one full charge cycle if recommended by the device manufacturer. Follow the laptop’s battery management settings to monitor charge levels and health.

Recommendations

Store the battery in a cool, dry place and avoid exposure to temperatures outside the manufacturer’s recommended range. Use only manufacturer-approved chargers and follow the host laptop’s safety guidelines. Dispose of the battery according to local regulations for lithium‑ion batteries.