Battery Lenovo ThinkPad X1 Carbon 20KH 01AV494

The Lenovo 01AV494 battery is a direct-fit replacement designed for the ThinkPad X1 Carbon 20KH. It uses Lithium‑Ion technology and provides a rated capacity of 4708 mAh in a compact black housing that matches the laptop's original power module form factor. The pack restores mobile runtime and is intended to deliver consistent charge cycles and stable voltage under typical laptop workloads.

Advantages

This replacement battery offers Li‑Ion chemistry for a balance of energy density and lifecycle performance, with a 4708 mAh capacity that supports extended use between charges. The unit is manufactured to align with the physical and electrical specifications of the ThinkPad X1 Carbon 20KH, enabling straightforward installation and reliable operation without requiring modifications. Its compact black enclosure is designed to fit the device profile while maintaining original device ergonomics.

Suitable for

• Replacing an aged or degraded battery in a ThinkPad X1 Carbon 20KH laptop
• Restoring mobile runtime for work tasks, presentations, and travel
• Maintaining productivity when away from power outlets or during extended meetings

Key specifications

• Battery technology: Lithium‑Ion (Li‑Ion)
• Rated capacity: 4708 mAh
• Colour: Black
• Form factor: Pack designed to fit ThinkPad X1 Carbon 20KH battery compartment

How to use

Power off the laptop and disconnect any external power source before replacing the battery. Remove the device's access panel or back cover according to the manufacturer's service instructions, then disconnect and remove the old battery. Install the Lenovo replacement pack in the same orientation, reconnect the battery cable securely, and reassemble the laptop. After first installation, charge the battery fully before regular use to initialize the charge controller and ensure accurate runtime reporting.

Recommendations

For optimal battery life, avoid exposing the laptop to high ambient temperatures and follow standard charging practices: store the device with a partial charge if unused for extended periods, update device firmware and power management settings, and calibrate battery reporting occasionally by performing a full charge/discharge cycle.