Battery Lenovo Kylin SP/B L19M3PF2 11.52V 57Wh 3-cell replacement for compatible Lenovo laptops

Rechargeable replacement battery Lenovo Kylin SP/B L19M3PF2 offers a nominal voltage of 11.52V and an energy capacity of 57Wh across three cells. Designed as a drop-in replacement for compatible Lenovo laptop models, this battery restores portable power for everyday office tasks, study sessions and travel. The battery is intended to replace worn or failing units and to recover original run times when installed according to the laptop manufacturer’s service instructions.

Advantages

This replacement battery provides a direct-fit design for compatible Lenovo laptops, maintaining the same voltage and capacity characteristics as original equipment batteries. Its 57Wh capacity balances runtime and weight for typical mobile use. The three-cell configuration supports stable voltage delivery and predictable discharge behavior. The battery is rechargeable and suitable for repeated charge cycles when charged with the laptop’s built-in charging system and used under recommended conditions.

Suitable for

• Restoring battery life in compatible Lenovo laptops
• Providing portable power for office work, document editing and email
• Extending runtime during travel or remote study sessions
• Replacing aged or defective internal laptop battery modules

Key specifications

• Nominal voltage: 11.52 V
• Energy capacity: 57 Wh
• Cell count: 3 cells
• Chemistry: rechargeable lithium-based battery (standard laptop cell type)
• Form factor: internal laptop replacement module designed for compatible Lenovo models

How to use

Power down the laptop and disconnect any external power source before replacing the battery. Follow the laptop manufacturer’s service instructions to access and remove the existing battery, taking care to observe electrostatic discharge precautions. Install the replacement battery in the same orientation as the original unit and fasten any retaining screws or clips provided by the laptop. After reassembly, connect the laptop to the original AC adapter and allow the system to detect and initialize the new battery; a complete charge cycle is recommended before regular use.

Recommendations

Use the replacement battery only in compatible Lenovo laptops and with the laptop’s supplied charger. Store and use the battery within recommended temperature ranges and avoid exposure to extreme heat, moisture or mechanical shock. Do not disassemble, puncture or short-circuit the battery. Dispose of the battery following local regulations for rechargeable batteries and electronic waste.