Battery Lenovo 39Wh Lithium-Ion 01AV469 — replacement laptop battery, 39 Wh capacity

Replacement Lenovo Lithium‑Ion battery with 39 Wh nominal capacity designed to restore portable power to compatible Lenovo laptops. This battery provides a rechargeable energy source for everyday mobile use, helping maintain device runtime for work, study and travel. The Lithium‑Ion chemistry delivers a balance of energy density and cycle life appropriate for standard laptop usage and can be installed as a spare or replacement to recover battery-backed operation.

Advantages

The battery offers a 39 Wh rated capacity in a compact form factor that matches the original equipment specifications for supported Lenovo models. Its Lithium‑Ion construction supports repeated charge and discharge cycles with predictable performance and rechargeability. As a direct replacement unit, it enables relatively simple installation and returns battery-powered operation without altering device functionality or software behavior.

Suitable for

• Replacing a worn or failed internal battery in compatible Lenovo laptops
• Keeping a spare battery for business travel or long periods away from power outlets
• Restoring portable runtime for remote work, study sessions or media playback

Key specifications

• Battery chemistry: Lithium‑Ion (Li‑ion)
• Nominal energy capacity: 39 Wh
• Form factor: internal laptop replacement battery designed for Lenovo notebooks
• Rechargeable: yes, compatible with the laptop’s built-in charging circuitry
• Application: portable power for laptop operation and standby

How to use

Power down the laptop, disconnect the charger and, if applicable, remove any external devices before starting the replacement. If the notebook has a removable battery compartment, open the latch and replace the old battery with the new unit aligning connectors carefully. For models with internal batteries, follow the manufacturer’s maintenance instructions: remove the back cover, disconnect the battery connector, replace the pack and reconnect, then reassemble the chassis. After installation, charge the battery fully before first extended use and allow the system to recognize the new unit.

Recommendations

Charge the battery using the laptop’s original or compatible charger and avoid exposure to extreme temperatures. Store the battery at around 40–60% charge for long‑term storage, and follow safe disposal or recycling procedures for the removed battery in accordance with local regulations.