Internal laptop battery Lenovo 5B11A13107 11.1V 2200mAh, rechargeable replacement for compatible Lenovo notebooks

Internal laptop battery Lenovo 5B11A13107 is a rechargeable replacement pack with a nominal voltage of 11.1V and a capacity of 2200mAh. It is designed to restore portable power to compatible Lenovo notebooks and to replace a worn or failed internal battery. The battery is intended for in‑laptop installation, providing standard runtime characteristics for everyday productivity tasks and mobile use.

Advantages

This internal battery offers an OEM‑compatible form factor and electrical output, enabling straightforward replacement in supported Lenovo notebook models. With a rated voltage of 11.1V and 2200mAh capacity, it balances energy density and size for typical office, web browsing and multimedia usage. The rechargeable chemistry is suitable for repeated charge cycles and designed to meet manufacturer safety and fitment requirements when installed correctly.

Suitable for

• Replacing a depleted or failing internal battery in compatible Lenovo laptops
• Extending mobile runtime for business travel and commuting
• Restoring battery performance for daily productivity and multimedia
• Servicing or refurbishing notebooks where original battery needs replacement

Key specifications

• Nominal voltage: 11.1V
• Capacity: 2200mAh
• Battery type: rechargeable lithium‑ion pack
• Intended installation: internal laptop battery designed for specific Lenovo notebook layouts
• Typical use: provides portable power for standard office applications, web browsing, and media playback

How to use

Before installation, power down the notebook, disconnect external power, and follow the notebook manufacturer’s disassembly instructions to access the internal battery compartment. Remove the old battery by detaching the connector and any securing screws or brackets, then install the replacement making sure the connector seats firmly and the pack is secured in its mounting. After assembly, connect the AC adapter and charge the battery fully before initial use. Observe standard safety precautions against short circuits and avoid puncturing or deforming the battery.

Recommendations

Use the replacement battery only in models for which it is specified, follow the laptop maker’s battery handling and disposal guidelines, and use the original or certified charger for charging cycles. Store the battery in a cool, dry place when not in use, and avoid exposing it to extreme temperatures or moisture.