Lenovo 54.7Wh Internal Li-ion Laptop Battery (4-Cell, 11.52V, 4750mAh) - 5B11M90051

Unlike generic replacements that often compromise on cell quality and fit, this Lenovo 54.7Wh internal lithium-ion battery is engineered specifically for select Yoga 7 models, delivering dependable runtime and seamless integration. With a 4-cell design and a nominal voltage of 11.52V, it provides a calculated capacity of approximately 4750mAh, ensuring your laptop stays powered through work, study, or entertainment sessions. The internal form factor means it sits flush within the chassis, preserving the sleek profile of your device.

Highlights

• Genuine Lenovo FRU part number 5B11M90051 for guaranteed compatibility and reliability.
• 54.7Wh energy capacity balances weight and endurance for all-day productivity.
• 4-cell lithium-ion chemistry offers stable output and long cycle life.
• Multi-pin connector tailored to Lenovo Yoga 7 series laptops for a secure fit.
• Rechargeable design with no memory effect, so you can top up anytime.

In daily use

Whether you are editing documents, streaming video, or tackling spreadsheets, this battery keeps up with your pace. The internal mounting means no bulky protrusions, and the black housing blends invisibly with your laptop's interior. Installation is straightforward for technicians or confident DIYers, and once in place, the battery charges efficiently via the laptop's standard power adapter. Expect consistent performance across hundreds of charge cycles, with built-in protection against overcharging and overheating.

Full specifications

• Brand: Lenovo
• Model: 5B11M90051
• MPN: 5B11M90051
• EAN: 5715063422021
• Battery type: Lithium-Ion (Li-ion)
• Capacity: 54.7 Wh
• Number of cells: 4
• Nominal voltage: 11.52 V
• Calculated capacity: 4750 mAh
• Design: Internal (built-in)
• Rechargeable: Yes
• Connector: Multi-pin (Lenovo-specific)
• Colour: Black
• Compatible series: Lenovo Yoga 7 14ITL5, Yoga 7 14ARE05

Final note

Restore your laptop's mobility with a battery that matches original specifications. This Lenovo unit is a reliable choice for replacing a worn-out pack, ensuring your Yoga 7 runs like new without the worry of unexpected shutdowns.