Battery Lenovo 3-cell lithium-ion 11.1V 2600mAh model 5B11N47495

Replacement Lenovo 3-cell lithium-ion battery, rated 11.1V and 2600mAh, designed as a direct-fit power source for compatible Lenovo laptop models. This battery restores mobile power capacity, enabling continued use of the laptop for everyday tasks such as web browsing, document editing and light multimedia playback. The compact 3-cell design balances energy capacity and physical size to fit in standard Lenovo battery bays.

Advantages

The battery provides a rechargeable, OEM-compatible solution to regain portable operation without requiring an external power adapter. Its 11.1V voltage and 2600mAh capacity are intended to deliver reliable runtime for typical office and travel use while keeping weight and dimensions compact. Built to the electrical specifications expected by compatible Lenovo systems, it maintains stable power delivery and supports normal charging cycles managed by the laptop.

Suitable for

• Replacing a worn or failing internal battery to restore laptop mobility
• Extending battery life for travel and remote work
• Maintaining uptime for web browsing, office applications and light multimedia
• Use as a spare battery for users who switch power sources frequently

Key specifications

• Battery chemistry: Lithium-ion (Li-ion)
• Cell count: 3-cell configuration
• Nominal voltage: 11.1 V
• Rated capacity: 2600 mAh
• Intended form factor: Laptop internal removable battery (Lenovo-compatible physical fit)

How to use

Power down the laptop and disconnect any external power source before removing the existing battery. Follow the laptop manufacturer's instructions for safe removal and installation: typically unlock the battery latch, slide out the old unit, and insert the replacement until it clicks into place. After installation, connect the AC adapter and allow the battery to charge fully before the first extended use to ensure the battery management system calibrates correctly.

Recommendations

Charge the battery using the laptop's original or compatible charger and avoid exposing the battery to extreme temperatures. For optimal longevity, keep the battery between 20–80% state of charge during storage when not in use for extended periods, and avoid deep discharge when possible. If you notice unusual heat, swelling, or performance issues, stop using the battery and seek professional inspection or replacement.