Battery HP L77622-171 56Wh 4.85Ah Li-ion replacement for compatible HP notebooks

Rechargeable Li-ion battery compatible with a range of HP notebooks, featuring a nominal capacity of 56Wh and 4.85Ah. This replacement battery is designed to restore portable runtime for everyday mobile computing, offering the same voltage and form factor as original notebook batteries for straightforward installation and reliable operation. It is intended for users who need to replace a worn or failing battery to regain productivity on the go.

Advantages

The battery uses lithium-ion cell technology to deliver a balance of energy density and weight, providing extended runtime compared with older battery chemistries. Its standard voltage and physical dimensions make it compatible with supported HP notebook models and allow for easy swap-in replacement without modification. The battery is lightweight, maintains stable output under typical laptop loads, and supports normal charging cycles with the notebook’s existing charger circuitry.

Suitable for

• Replacing an aged or degraded battery in compatible HP notebooks
• Restoring mobile runtime for business travel and commuting
• Using as a spare battery for remote work or study
• Maintaining productivity during meetings, presentations, and on-site tasks

Key specifications

• Battery chemistry: Lithium-ion (Li-ion)
• Capacity: 56Wh
• Nominal charge: 4.85Ah
• Form factor: Notebook replacement battery with standard mounting for compatible HP models
• Typical use: Designed for portable computing and everyday laptop power needs

How to use

Turn off the notebook and disconnect the power adapter before removing the old battery. Follow the notebook manufacturer’s service instructions to access the battery compartment, remove retaining screws or latches, and carefully swap the battery. Install the replacement battery in the same orientation and secure any fasteners. Reconnect the power adapter and charge the battery fully before first use to ensure the battery management system calibrates properly. Use the notebook’s power management settings to monitor charge cycles and remaining runtime.

Recommendations

Store the battery at room temperature in a dry place if not used for extended periods. Avoid exposure to high temperatures or direct sunlight, and use only the notebook’s approved charger and charging circuitry. For prolonged storage, keep the battery charge level near 40–60% and perform periodic recharge cycles to maintain cell health.