Surface Battery Not Charging Fully? How to Reach 100%

How to
Milan Stanojevic
Milan Stanojevic Shield
Windows Toubleshooting Expert
How to
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Surface how to charge battery to 100%

Learn how to charge your Surface battery to 100% quickly and safely. This guide shows how to turn off charging limits and ensure your device reaches a full charge.

Table of contents

How to Charge Surface Battery to 100%?

1. Disable Smart Charging in Settings

Follow these steps in Windows settings to turn off Smart Charging.

  1. Open Start and go to Settings > System > Power & battery.
  2. Scroll to Battery settings.
  3. Turn off Smart Charging.

If you are not familiar with the process, here’s a detailed guide on turning off Smart Charging on Surface.

2. Override Smart Charging Pause

Use this quick method if charging stops at 80%.

  1. Unplug your Surface.
  2. Wait 5–10 seconds.
  3. Plug it back in and charging should continue past 80%.

3. Disable Battery Limit Mode in UEFI

Turn off Battery Limit Mode from the UEFI menu for full charging.

  1. Shut down your Surface.
  2. Hold Volume Up and press Power to enter UEFI.
  3. Go to Boot Configuration or Battery settings.
  4. Turn off Battery Limit Mode.
  5. Save and restart.

If you need help navigating UEFI, see this step-by-step article on how to access BIOS on Surface.

4. Calibrate the Battery

Battery calibration helps the system display the correct charge level.

  1. Charge your Surface fully to 100%.
  2. Let it discharge completely until it powers off.
  3. Recharge again to 100% without interruptions.

After calibration, check Surface battery health to confirm full charge capacity and verify that Windows reports the level correctly.

FAQs

Why does my Surface stop charging at 80%?

Because Smart Charging or Battery Limit Mode is active to extend battery health.

Is it safe to always charge Surface to 100%?

Yes, but Microsoft recommends keeping Smart Charging on for long-term battery health.

Can I permanently disable Smart Charging?

Yes, you can turn it off in Windows Settings or UEFI, but it may shorten battery lifespan.

Does charging to 100% damage the Surface battery?

Not immediately. Over time, consistently charging to 100% can reduce battery lifespan.

Conclusion

Charging your Surface to 100% is possible by disabling built-in charging limits. Use Windows Settings or UEFI to turn off Smart Charging and Battery Limit Mode when you need a full charge, but keep in mind that leaving these features on helps extend battery life.

For more control over your device, you can also learn how to disable the Surface touch screen. After charging to full, you may want to turn protective features back on by following this guide on how to enable smart charging on Microsoft Surface.

More about the topics: battery, Microsoft Surface

Milan Stanojevic

Milan Stanojevic Shield

Windows Toubleshooting Expert

Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He's a PC enthusiast and he spends most of his time learning about computers and technology. Before joining WindowsReport, he worked as a front-end web developer. Now, he's one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.

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