Internal laptop battery Lenovo 01AV466 LI 45Wh (4120 mAh) compatible with select Lenovo models

Internal replacement battery Lenovo 01AV466 (LI) with rated capacity 45Wh (4120 mAh) is designed as a direct internal battery swap for compatible Lenovo laptops. The unit restores portable power for everyday tasks such as office work, web browsing and media playback. Installation requires opening the laptop chassis and following the laptop manufacturer's service instructions; the battery matches the original form factor and electrical characteristics for seamless integration with supported models.

Advantages

This internal Lenovo battery offers a nominal energy capacity of 45Wh (4120 mAh), delivering predictable runtime under typical workloads. The battery is manufactured to meet standard safety and performance expectations for laptop internal packs and is shaped to replace the original internal unit without modification. Using a direct-replacement internal battery helps restore the laptop's mobility and reduces the need for frequent charging during ordinary use.

Suitable for

• Replacing a degraded or worn internal battery in compatible Lenovo laptops
• Extending runtime for everyday office productivity and web browsing
• Restoring battery performance for multimedia playback and light remote work

Key specifications

• Nominal energy: 45 Wh
• Nominal capacity: 4120 mAh
• Battery type: internal lithium-ion pack (Li-ion)
• Intended use: internal replacement for compatible laptop models
• Compatibility: designed to match original internal battery form factor and connectors for supported Lenovo models

How to use

Power down the laptop, disconnect all external cables and follow the manufacturer's service instructions for safe access to the internal battery compartment. Remove any retaining screws or clips and disconnect the battery connector from the motherboard before removing the old pack. Fit the replacement battery in the original position, reconnect the battery cable securely and reassemble the chassis. After installation, charge the battery fully before normal use and verify correct operation in the operating system's battery status indicators.

Recommendations

Use only with compatible Lenovo laptop models and follow static-discharge and safety precautions when servicing the device. Do not attempt to puncture, crush or incinerate the battery. If the battery shows signs of swelling, excessive heating or physical damage, stop use immediately and seek professional service. For optimal lifespan, avoid storing the battery at full charge for extended periods and keep it in a cool, dry environment when not in use.