Notebook battery Lenovo 3‑Cell 11.25V 52.5Wh 4670mAh (model 5B10Q39202)

Replacement notebook battery for compatible Lenovo laptops, offering a 3-cell lithium-ion design with a nominal voltage of 11.25V and a capacity of 4670mAh (52.5Wh). This pack is intended to restore portable power to supported systems, provide plug-and-play installation and maintain standard battery management features. The battery is created as an OEM-equivalent spare to extend run time for travel, work or home use while matching the physical form factor of the original battery.

Advantages

This 3-cell battery delivers a balance of capacity and compact size, offering extended operating time compared with drained or aged packs while remaining lightweight for portable use. The lithium-ion chemistry provides predictable discharge characteristics and compatibility with standard notebook charging circuits and power management. Its plug-and-play design simplifies replacement without the need for special tools or software, and the cell configuration is optimized to fit the laptop’s original battery bay and connectors.

Suitable for

• Replacing a worn or failing battery in compatible Lenovo notebooks
• Extending unplugged run time for remote work or travel
• Maintaining spare power for presentations, meetings, or fieldwork
• Replacing an original battery before long trips to ensure full-day operation

Key specifications

• Battery type: Lithium‑ion, 3 cells
• Nominal voltage: 11.25 V
• Capacity: 4670 mAh (52.5 Wh)
• Physical design: notebook internal pack sized to match original bay and connector layout
• Interface: standard Notebook DC battery connector compatible with designated Lenovo series
• Operating conditions: designed for typical laptop temperature and charge cycles

How to use

Power down the laptop and disconnect the mains adapter before replacing the battery. Remove the access panel or release the battery latches according to the laptop’s service instructions, then disconnect the old pack and connect the replacement battery ensuring the connector is seated correctly. Reattach any covers, secure latches and power on the system. Allow the battery to charge fully through the laptop’s normal charging routine before relying on run-time estimates; the battery will be managed by the notebook’s built-in charging and calibration functions.

Recommendations

Store and operate the battery within manufacturer-recommended temperature ranges. For longest service life, avoid deep discharges when possible and charge regularly if the notebook is stored for extended periods. Use the laptop’s power-management settings to optimize run time and follow Lenovo’s guidelines for safe disposal or recycling of used batteries.