Lenovo 57Wh Lithium-Ion Internal Battery

When your Lenovo laptop no longer holds a charge through a full workday, this 57Wh lithium-ion internal battery restores dependable mobility. Designed for professionals who move between meetings, remote sites, and home offices, it delivers the capacity needed to keep productivity flowing without being tethered to a power outlet.

Key specifications

• Capacity: 57Wh
• Battery technology: Lithium-ion
• Internal design: Fits inside the laptop chassis
• Brand: Lenovo
• Model: 5B10W13971
• MPN: 5B10W13971
• EAN: 5715328319127

Why choose it

Genuine Lenovo batteries are engineered to match the original specifications of your device, ensuring safe charging, accurate power reporting, and long-term reliability. With 57 watt-hours of energy, this battery provides enough runtime for typical office applications, web browsing, and video conferencing. Replacing a worn-out battery can restore your laptop's portability and extend its useful life, avoiding the cost of a new computer.

Ideal use cases

• Business travelers needing all-day battery life
• Students attending back-to-back classes
• Remote workers moving between home and co-working spaces
• IT departments refurbishing company laptops

Good to know

Installation requires opening the laptop case and may involve removing screws and disconnecting the old battery. If you are not comfortable with hardware replacement, professional installation is recommended. Always verify compatibility with your specific Lenovo model before ordering. This battery is an internal component and is no