Lenovo BIS3 Finn Integ 6c/48Wh (5B10W13922)

Keep your Lenovo ThinkPad E14 Gen 2, E15 Gen 2, L14 Gen 2, L15 Gen 2, P14s Gen 2, T14 Gen 2, T15 Gen 2, X13 Gen 2, or P15s Gen 2 running through long workdays with this 48 Wh lithium-ion battery. The 6-cell design delivers reliable power for office tasks, remote work, and business travel, while the internal form factor ensures a secure fit inside your notebook. With a voltage of 11.52 V, it is engineered to integrate seamlessly with compatible ThinkPad models.

Key specifications

• Battery technology: Lithium-Ion (Li-Ion)
• Capacity: 48 Wh
• Number of cells: 6
• Voltage: 11.52 V
• Colour: Black
• Rechargeable: Yes

Why choose it

This battery restores your laptop’s mobility, letting you work unplugged for hours. Its 48 Wh capacity balances weight and runtime, making it a practical replacement for original batteries that no longer hold a charge.

Ideal use cases

• Professionals who need dependable power for meetings, presentations, and travel.
• Students and remote workers who move between classes, libraries, and home offices.
• IT departments maintaining fleets of Lenovo ThinkPad laptops.

Good to know

The battery is designed as an internal component, so installation requires opening the laptop case. Always power down and disconnect the AC adapter before replacing the battery. For optimal longevity, avoid deep discharges and extreme temperatures.