Lenovo 5b11k24763 Laptop Battery 4 Cell 73wh

Product Description

The LENOVO 5b11k24763 is a 4-cell lithium-ion laptop battery rated at 73 watt-hours (Wh) and 15.52 volts. It is an OEM-specification replacement battery designed to restore full runtime capacity to compatible Lenovo notebook systems. The internal cell designation is L22D4PF4, which identifies the cell configuration and chemistry used. This battery is installed by IT technicians, depot repair technicians, and experienced end users performing authorized self-repair on supported Lenovo laptop models.

This battery is suited for use in Lenovo laptop systems that originally shipped with a 4-cell, 73Wh battery pack at 15.52 volts. The SD/C designation in the part description indicates this is a standard discharge configuration with controller circuitry. Typical install scenarios include battery replacement on thinline notebook platforms where the pack is accessed through the bottom service panel or by removing the lower chassis shell.

Key Features

• 4-cell configuration delivering 73Wh total energy capacity
• Rated voltage of 15.52 volts matching OEM power specifications
• Internal cell designation L22D4PF4 for cross-reference identification
• OEM-specification replacement for compatible Lenovo notebook platforms
• Integrated controller circuitry for charge and discharge management

Compatibility

Designed as an OEM-style replacement battery for compatible Lenovo laptop systems that accept a 4-cell 73Wh 15.52-volt battery pack. Verify fitment against the original battery part number and system model before installation.

Installation Notes

Battery replacement should be performed by a qualified technician following Lenovo service documentation for the specific system model. Power down the laptop completely and disconnect all external power sources before beginning disassembly. Use appropriate plastic pry tools and electrostatic discharge precautions when handling internal components. Do not attempt to disassemble the battery pack itself or expose it to heat, moisture, or physical impact.

Technical Specifications

• Cell Count: 4 cells
• Energy Capacity: 73Wh
• Voltage: 15.52 volts
• Cell Part Reference: L22D4PF4
• Configuration: SD/C (Standard Discharge with Controller)

Standard Information

• Brand: LENOVO
• Manufacturer Part Number: 5b11k24763