Lenovo 57Wh Lithium-Ion Internal Battery

Keep your Lenovo laptop powered throughout the day with this genuine 57Wh lithium-ion internal battery. Engineered for reliable performance, it delivers the energy capacity needed for extended productivity, whether you're working remotely, attending back-to-back meetings, or enjoying multimedia on the go. The advanced lithium-ion chemistry ensures stable voltage output and a long service life, making it a smart replacement or spare for compatible Lenovo notebooks.

Advantages

This battery offers a substantial 57Wh capacity, striking an ideal balance between runtime and weight. Its internal design integrates seamlessly with your laptop's chassis, preserving the sleek profile of your device. Built to original specifications, it provides consistent power delivery and protects against overcharging, overheating, and short circuits. With no memory effect, you can recharge at any time without reducing overall capacity.

Suitable for

• Lenovo laptop users needing a replacement for a worn or failed battery
• Professionals who require dependable power for all-day computing
• Students and travelers seeking extended battery life away from outlets
• IT departments maintaining fleets of Lenovo notebooks

Key specifications

• Capacity: 57 Wh
• Battery technology: Lithium-Ion (Li-Ion)
• Brand compatibility: Lenovo
• Internal battery type
• MPN: 5B11M81217
• EAN: 5715328319141

Recommendations

For optimal performance, fully charge the battery before first use and calibrate it periodically by discharging to 10% and recharging to 100%. Store in a cool, dry place when not in use, and avoid exposing to extreme temperatures. Always verify compatibility with your specific Lenovo model before purchase.