Lenovo 5B11M90030 Internal 4-Cell 57Wh Li-Ion Battery

Laptop battery degradation can leave you tethered to a power outlet, disrupting work and travel. The Lenovo 5B11M90030 internal battery restores reliable, long-lasting power to compatible Lenovo laptops, eliminating the need for constant recharging.

Who is it for

This battery is for users of specific Lenovo Yoga and Slim series laptops who need a replacement for a worn-out or faulty internal battery. It suits those comfortable with internal component installation or willing to seek professional help.

Main features

• 4-cell Lithium-Ion (Li-ion) chemistry for consistent performance.
• 57 Wh capacity and 3705 mAh for extended runtime.
• 15.36 V output matches original specifications.
• Internal form factor for a seamless fit.
• Black colour blends with laptop chassis.

Specifications

• Battery Technology: Lithium-Ion (Li-ion)
• Number of Cells: 4
• Capacity: 57 Wh / 3705 mAh
• Voltage: 15.36 V
• Product Colour: Black
• Compatible Series: Lenovo Yoga 7 16IAH7, Yoga 7 16IAP7, Slim 7 Pro X 14IAH7, Slim 7 Pro X 14ARH7, Yoga Slim 7 Pro X 14IAH7, Yoga Slim 7 Pro X 14ARH7
• Rechargeable: Yes
• Safety Features: Overcharge Protection, Over-discharge Protection, Short Circuit Protection
• Installation Type: Internal
• Original Part Number: 5B11M90030
• Battery Model Name: L21M4P71

Tips

Before ordering, verify your laptop model is listed in the compatible series. Internal battery replacement requires opening the laptop; if unsure, consult a professional technician. Always power off and disconnect the laptop before installation.