Lenovo interne 4-cels 90Wh Li-Ion accu (5B11B79217)

This Lenovo internal battery is a 4-cell lithium-ion pack with a 90Wh capacity and 15.36V nominal voltage, built for select ThinkPad P1 and X1 Extreme models. Its 5860mAh rating delivers the endurance expected from a workstation-class notebook, while the integrated protection circuitry guards against overcharge, over-discharge, overcurrent, short-circuit, and overheating.

Highlights

• 90Wh capacity and 5860mAh rating for extended runtime
• 4-cell Li-Ion design with 15.36V nominal voltage
• Compatible with Lenovo ThinkPad P1 Gen 4/5/6 and X1 Extreme Gen 4/5/6
• Rechargeable with built-in safety protections
• Internal installation; professional installation recommended

Full specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Capacity: 90 Wh
• Number of cells: 4
• Nominal voltage: 15.36 V
• Capacity (mAh): 5860 mAh
• Colour: Black
• Rechargeable: Yes
• Safety features: Overcharge, over-discharge, overcurrent, short-circuit, overheat protection
• Installation type: Internal (professional installation recommended)
• Condition: New

Final note

Confirm your exact ThinkPad model before ordering, as this battery is designed for specific P1 and X1 Extreme generations.