Battery Lenovo 45Wh 11.1V 3-cell lithium-ion 5B10W67285 for compatible Lenovo laptops

Rechargeable Lenovo 45Wh lithium-ion battery rated at 11.1V with a 3‑cell configuration. This replacement battery is intended for compatible Lenovo laptops and offers restored portable power for everyday tasks such as office work, web browsing, and light multimedia use. It is designed to match the original power and voltage requirements of supported models and can be installed using standard user-accessible battery removal procedures.

Advantages

This Lenovo 45Wh battery provides a balance of capacity and weight suitable for mobile use, offering extended runtime compared to depleted cells while keeping the laptop portable. The lithium‑ion chemistry delivers stable voltage output and efficient energy density, and the pack is engineered to meet the electrical and physical specifications used in compatible Lenovo notebook designs. It enables safe operation when used with the laptop's existing power management and charging system.

Suitable for

• Replacing an aged or faulty battery in compatible Lenovo laptops
• Extending runtime for travel, remote work, and study sessions
• Maintaining productive use when access to AC power is limited

Key specifications

• Battery type: Lithium‑ion (Li‑ion)
• Capacity: 45 Wh
• Nominal voltage: 11.1 V
• Cell count: 3 cells
• Form factor: Internal laptop battery pack compatible with specific Lenovo models

How to use

Power down the laptop and disconnect any AC adapter before beginning. Access the battery compartment according to the laptop manufacturer's instructions, typically by removing a release latch or a small access panel. Remove the depleted battery, align the replacement pack with the connector and seating guides, and install it until it clicks or locks in place. Reconnect the AC adapter and allow the new battery to charge fully before first extended use. Follow the laptop's power management settings to monitor charge cycles and health.

Recommendations

Use the replacement battery only in supported Lenovo laptop models and follow the device manual for installation and safety. Avoid exposing the battery to extreme temperatures, moisture, or physical damage. For best long-term performance, charge and discharge the battery within typical usage ranges and store it at about 50% charge if not used for extended periods.