Internal laptop battery Lenovo 01AV464 45Wh 4120mAh

Internal laptop battery Lenovo 01AV464 45Wh 4120mAh is a factory-fit rechargeable battery designed as a direct replacement for compatible Lenovo notebooks. With a nominal capacity of 45Wh (4120mAh), the battery restores mobile runtime for laptops that have reduced operating time due to aged or damaged cells. It supports standard charging and discharging cycles and is intended for installation inside the notebook chassis, providing reliable power for everyday mobile use.

Advantages

This internal battery offers a balance of energy capacity and compact size suitable for thin-and-light notebook designs. It provides a rated 45Wh capacity that helps recover typical operating time for office tasks, web browsing and media playback. The battery is manufactured to fit as a direct replacement and maintains compatibility with the laptop charging system and power management features, allowing normal charging behavior and safe operation when installed correctly.

Suitable for

• Replacing a worn or failing internal battery in compatible Lenovo laptops
• Restoring portable runtime for users who need reliable mobile power
• Servicing laptops during repairs or refurbishment
• Use by technicians and end users who prefer a factory-fit internal battery

Key specifications

• Type: internal rechargeable lithium-ion laptop battery
• Rated energy: 45Wh
• Rated capacity: 4120mAh
• Form factor: internal pack designed for in-chassis installation
• Supported functions: standard charging/discharging, integration with laptop power management

How to use

Before installation, power down the laptop and disconnect any external power source. Follow the laptop manufacturer’s service instructions to access the internal battery compartment, remove the old battery and install the replacement unit. Ensure connectors are seated correctly and fasten any retaining screws or clips. After reassembly, connect the charger and allow the system to recognize and charge the new battery. Observe the operating system battery status to confirm proper installation and charging.

Recommendations

Use the internal battery in environments within the laptop’s specified temperature range and avoid exposing the battery to liquids or extreme heat. For best long-term performance, calibrate battery reporting occasionally by charging fully and allowing a full discharge cycle per the laptop manufacturer’s guidance. Replace the internal battery with an identical form-factor unit to maintain fit and power management compatibility.