Lenovo 71Wh 4-cells lithium-ion-accu (5B11N47479)

This Lenovo 71Wh 4-cell lithium-ion battery delivers extended runtime for your ThinkPad P1 Gen 4/5 or X1 Extreme Gen 4/5. With a nominal voltage of 15.36V and 4.62Ah capacity, it provides reliable power for demanding workloads.

Overview

The 5B11N47479 is an internal laptop battery designed for Lenovo ThinkPad P1 Gen 4, P1 Gen 5, X1 Extreme Gen 4, and X1 Extreme Gen 5. It features a 71Wh capacity, 4-cell configuration, and lithium-ion chemistry. The battery includes overcharge and short-circuit protection for safe operation.

What stands out

• High 71Wh capacity for longer unplugged work sessions
• 4-cell lithium-ion design for consistent power delivery
• Overcharge and short-circuit protection for safety
• Compatible with multiple ThinkPad P1 and X1 Extreme generations

Technical details

• Battery type: Lithium-Ion (Li-ion)
• Capacity: 71 Wh
• Number of cells: 4
• Nominal voltage: 15.36 V
• Amperage: 4.62 Ah
• Colour: Black
• Product type: Internal Laptop Battery
• Rechargeable: Yes

Our verdict

A genuine Lenovo battery built for professionals who need dependable power on the go. Its high capacity and safety features make it a solid replacement or spare for compatible ThinkPad models.