Question 1

Will this battery work with my specific ThinkPad T480s model, especially if I have the NVIDIA MX150 GPU version?**

Accepted Answer

Yes, this replacement is designed for the T480s series across both integrated Intel graphics and the NVIDIA MX150 variants. To be 100% sure, check the part number printed on your original battery. If it lists L17L3P71, L17M3P71, 01AV478, or 01AV479, you are good to go. The installation uses the same internal connector and mounting points regardless of GPU configuration.

Question 2

I’ve seen mixed comments online about fit and finish—will the bottom cover of the laptop sit flush after installation?**

Accepted Answer

For the vast majority of users, the fit is perfect and the cover snaps back flush. If you see a slight bulge, ensure you are pressing down firmly on the battery clips before re-attaching the cover. We should clarify that this battery matches the standard thickness of 5.2mm exactly. If you notice a gap after installation, it usually means the internal cable isn't seated fully, so simply reseat it and try again.

Question 3

Does this battery preserve my battery health reporting, or will Windows or Lenovo Vantage show an error code?**

Accepted Answer

The battery is built with the correct EC chipset data required for the T480s, meaning it does not generate the dreaded “Cannot identify battery” warning. However, because it is a third-party replacement, some units may report a battery health percentage slightly under 100% after the first charge (usually 94-99%). This is a cosmetic software calibration reading—not an indication of hardware failure—and it evens out after a few charge cycles.

Question 4

I’ve heard some users say the charging speed is slower on third-party batteries. Is that true for this model?**

Accepted Answer

The T480s draws power based on the EC (Embedded Controller) logic, which reads the battery ID. Since this battery mimics the OEM specs, you will get normal “fast charging” speeds when the laptop is off. The only time you might notice slower charging is if you're using the laptop heavily while plugged in—the system will prioritize running the CPU over charging the battery to prevent overheating. This is standard thermal management, not a fault of the battery.

Question 5

What is the return policy if this battery fails to hold a charge or arrives with a defect?**

Accepted Answer

We offer a 30-day money-back guarantee for any functional defect, as well as a 12-month warranty for capacity degradation. If you receive the unit and it does not power on, or if it reports a critical error in the BIOS, contact our support team with your order number. We will provide a prepaid shipping label for a return or send a replacement immediately. We do require the original packaging for returns, so please keep the box for the first week.

01AV478 L17L3P71 SB10K97620 Laptop Battery Replacement for Lenovo ThinkPad T480s Series Notebook L17M3P71 01AV479 SB10K97621 L17M3P72 01AV480 SB10K97622 11.58V 57Wh 4920mAh

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