Anker PowerCore 20000 mAh Portable Power Bank - Black

The remaining battery level is displayed on the built-in digital display.

Yes, you can charge up to 3 devices simultaneously using the USB-C and USB-A ports.

Yes, it supports fast charging via Power Delivery and Quick Charge.

It comes with a USB-C cable.

Anker products typically come with a warranty. Please refer to the product packaging or Anker's website for specific warranty details.

The charging time depends on the charger used. Typically, it takes a few hours to fully charge.

It may be able to charge some laptops, but its 30W output may be insufficient for all models. Check your laptop's charging requirements.

Check the USB-C cable and wall charger. Try a different cable and outlet. Ensure the power bank is properly connected and that the outlet is working.

Check the connection between the power bank and your device. Make sure the cables are properly connected. Ensure your device is compatible with the power bank's output.

Check if your device supports fast charging (Power Delivery or Quick Charge). If not, charging speeds may be slower. Use a cable that supports fast charging.

Try resetting the power bank by pressing the power button. If the issue persists, contact Anker support.