Lenovo 5b11n52078 Laptop Battery 3 Cell 45.3 Wh

Product Description

The LENOVO 5b11n52078 is a 3-cell lithium-ion laptop battery rated at 45.3 watt-hours and 11.34 volts. It is designed as an OEM replacement power source for compatible Lenovo laptop systems. This battery provides the internal power supply for the host device, supporting normal runtime and charge cycles as intended by the manufacturer. Installation is typically performed by a qualified technician or experienced end user during a battery replacement service. The part number L19C3PD5 is associated with this unit and may be referenced during sourcing or compatibility verification.

This battery is suited for Lenovo laptop models that originally shipped with a 3-cell, 45.3 Wh internal battery pack. It is commonly replaced during depot repair, warranty service, or field battery swap procedures. Technicians working on Lenovo consumer and commercial notebook lines should verify the host model accepts this cell count and voltage before installation. It is an internal component not intended for external or universal adapter use.

Key Features

• 3-cell lithium-ion cell configuration
• 45.3 Wh energy capacity for standard laptop runtime
• 11.34 volt nominal output voltage
• OEM-style replacement designed to fit original battery bay
• Referenced under internal model designation L19C3PD5

Compatibility

Designed as an OEM-style replacement battery for Lenovo laptop systems originally equipped with a 3-cell 45.3 Wh 11.34-volt internal battery pack. Verify host model compatibility before ordering.

Installation Notes

Battery replacement should be performed by a qualified technician following standard laptop disassembly procedures. Power down the device completely and disconnect any external power source before opening the chassis. Use appropriate ESD precautions and plastic pry tools to avoid damaging the battery connector or surrounding components. Do not attempt to puncture, crush, or short-circuit the battery pack at any time.

Technical Specifications

• Cell Count: 3 cells
• Capacity: 45.3 Wh
• Voltage: 11.34 volts
• Internal Model Designation: L19C3PD5

Standard Information

• Brand: LENOVO
• Manufacturer Part Number: 5b11n52078