Lenovo 54,7Wh interne lithium-ion accu (5B11M90050)

Equipped with a 54.7 Wh capacity and 15.36 V, this internal lithium-ion battery delivers dependable power for your Lenovo ThinkPad P1 Gen 4, X1 Extreme Gen 4, P1 Gen 5, and X1 Extreme Gen 5. The 4-cell design provides a balanced combination of energy density and longevity, ensuring your laptop stays productive throughout the day.

Overview

The Lenovo 5B11M90050 is an internal rechargeable battery engineered for seamless integration with compatible ThinkPad models. Its 3560 mAh amperage supports consistent performance, while the black colour matches the laptop's interior aesthetics.

What stands out

• 54.7 Wh capacity for extended runtime
• 4-cell lithium-ion chemistry for reliable power
• 15.36 V output for stable performance
• Compatible with multiple ThinkPad P1 and X1 Extreme generations

Technical details

• Battery type: Lithium-Ion (Li-Ion)
• Capacity: 54.7 Wh
• Voltage: 15.36 V
• Amperage: 3560 mAh
• Number of cells: 4
• Form factor: Internal (Integrated)
• Rechargeable: Yes
• Colour: Black

Our verdict

A genuine Lenovo replacement battery that restores your ThinkPad's mobility with confidence. Its 54.7 Wh capacity and 4-cell design offer a solid balance of runtime and reliability for demanding professionals.