Laptop lithium-ion battery HP BM04056XL 4400mAh 14.8V

Rechargeable lithium‑ion laptop battery HP BM04056XL with 4400 mAh capacity and 14.8 V nominal voltage provides a portable replacement power source for compatible HP notebooks. Designed to restore or extend battery life, this battery is intended for everyday computing tasks, office work and travel where reliable runtime is required. The unit is lightweight and built to fit specified laptop models that accept this form factor and voltage.

Advantages

This battery delivers a specified 4400 mAh capacity at 14.8 V nominal voltage for consistent power delivery during standard laptop use. As a lithium‑ion unit, it offers a favorable energy‑to‑weight ratio and no memory effect, enabling regular recharge cycles without capacity loss from partial charging. The design allows straightforward installation and replacement in supported HP notebooks to restore portable operation and reduce dependence on mains power.

Suitable for

• Everyday office productivity applications and web browsing
• Travel use when mains power is unavailable or inconvenient
• Light multimedia playback and video conferencing
• Replacing an aged or degraded battery to extend device service life

Key specifications

• Battery chemistry: lithium‑ion
• Nominal capacity: 4400 mAh
• Nominal voltage: 14.8 V
• Typical application: notebook/laptop internal battery
• Form factor: compatible with HP notebook battery compartment that accepts this size and connection type

How to use

Before installation, power off the notebook and disconnect the mains adapter. Remove the existing battery following the notebook manufacturer's service instructions. Align the replacement battery with the battery bay and connectors, then press gently until it locks into place. After installation, connect the mains adapter and fully charge the battery prior to first use to ensure the battery management system calibrates correctly. Use the operating system's battery health tools to monitor charge cycles and remaining capacity over time.

Recommendations

Store the battery in a cool, dry place and avoid exposure to extreme temperatures. For prolonged storage, leave the battery at approximately 40–60% charge. Avoid physical damage and contact with liquids. Use only with compatible notebook models and original or certified chargers to maintain safe charging behavior. Dispose of or recycle the battery according to local regulations.