Lenovo sb18e44356 Laptop Battery 3.91V 26.7wh 2 Cell

Product Description

The LENOVO sb18e44356 is a replacement laptop battery rated at 3.91 volts and 26.7 watt-hours (Wh) in a 2-cell configuration. It is identified by the internal cell model L23D2P31 and is designed to restore portable power to compatible Lenovo notebook systems. This battery is a direct OEM-style replacement installed by computer repair technicians or qualified end users during routine battery service. The 2-cell design keeps the pack compact while delivering sufficient capacity for the supported platform.

This battery is suited for residential and light commercial laptop service scenarios where the original battery has degraded or failed. It is intended for Lenovo notebook systems that accept the L23D2P31 cell configuration. Installation typically occurs during a planned battery replacement service on a bench or clean work surface.

Key Features

• 3.91-volt nominal output matched to compatible Lenovo system power requirements
• 26.7 Wh energy capacity in a compact 2-cell pack
• L23D2P31 internal cell designation for cross-reference identification
• OEM-style replacement designed to fit original battery bay dimensions

Compatibility

Designed as an OEM-style replacement battery for compatible Lenovo notebook computers that accept the L23D2P31 2-cell battery configuration. Verify the original part number against sb18e44356 or L23D2P31 before ordering.

Installation Notes

Battery replacement should be performed by a qualified technician following the system manufacturer service documentation. Power down the laptop completely and disconnect any external power source before opening the chassis. Use proper anti-static precautions when handling internal components. Dispose of the removed battery in accordance with local regulations for lithium-type cells.

Technical Specifications

• Voltage: 3.91 volts
• Capacity: 26.7 Wh
• Cell Count: 2 cells
• Cell Model: L23D2P31

Standard Information

• Brand: LENOVO
• Manufacturer Part Number: sb18e44356