Lenovo 5b11h56417 Internal Laptop Battery 4-cell 52.5wh

Product Description

The LENOVO 5b11h56417 is a 4-cell internal lithium-ion battery designed as a direct replacement for compatible Lenovo laptop systems. Rated at 52.5 watt-hours (Wh), this battery delivers the energy capacity required to maintain reliable runtime in mobile computing environments. Manufactured by BYD, a recognized producer of lithium-ion cells, this unit is built to OEM specifications. Installation is typically performed by a qualified technician during a battery replacement service, requiring disassembly of the laptop chassis to access the internal battery bay.

This battery is suited for internal installation in compatible Lenovo laptop models where the original 5b11h56417 battery has reached end of life or has experienced capacity degradation. It is intended for use in systems that accept a 4-cell internal lithium-ion pack with a 52.5Wh energy rating. This part falls under Lenovo's battery parts and accessories category, making it appropriate for depot repair, warranty service, and out-of-warranty field replacement scenarios.

Key Features

• 4-cell lithium-ion chemistry for stable energy delivery and cycle performance
• 52.5Wh capacity rating for extended mobile runtime
• BYD-manufactured cells built to OEM specifications
• Internal form factor designed for direct drop-in replacement
• Genuine Lenovo part number for assured fitment in supported systems

Compatibility

Designed as an OEM-style internal replacement battery for compatible Lenovo laptop systems. Refer to Lenovo service documentation and the original part number 5b11h56417 to confirm fitment before installation.

Installation Notes

Installation should be performed by a qualified laptop technician familiar with Lenovo chassis disassembly procedures. Power down the system completely and disconnect all external power sources before beginning service. Use appropriate anti-static precautions and non-marring pry tools when removing the bottom cover to access the battery compartment. Follow Lenovo service manual procedures for connector disconnection and battery retention hardware to avoid damage to surrounding components.

Technical Specifications

• Cell Count: 4 cells
• Energy Capacity: 52.5Wh
• Battery Chemistry: Lithium-Ion
• Cell Manufacturer: BYD
• Form Factor: Internal

Standard Information

• Brand: LENOVO
• Manufacturer Part Number: 5b11h56417