GAR117 20,000mAh Power Bank with Digital Display

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GAR117 20,000mAh Power Bank with Digital Display  User Manual (English）

GAR117 20,000mAh Power Bank with Digital Display User Manual（Spanish）

 

FAQ

Power Bank FAQ

Q1: My smartphone won't charge when connected to the power bank. What should I do?
A1:

  1. Press the button to activate the power bank

  2. Use a USB-to-C or USB-to-Lightning charging cable

  3. If no light appears when pressing the button, disconnect all cables and try one at a time

  4. Fully charge the power bank before trying again

  5. Use a data cable rated above 3 amps

Q2: Why won't my power bank charge?
A2:

  1. Click the button to activate it

  2. If no light appears, remove all cables and try a single interface

  3. Charge the power bank fully before retrying

Q3: My power bank won't turn on. How can I fix this?
A3:

  1. Press the activation button

  2. If no light appears, disconnect all cables and try one interface

  3. Charge the power bank completely before reuse

Q4: Why does my power bank drain so quickly?
A4:

  1. Avoid using in temperatures above 45°C or below -20°C

  2. Always use a ≥10W charger (slower chargers extend charging time)

  3. Fully charge the power bank before phone charging

Q5: What should I do if my power bank is swelling?
A5:

  1. Avoid high-temperature environments

  2. Don't store in hot locations

  3. If unused for long periods, charge monthly

Q6: Why is my charging connection unstable?
A6:

  1. Check battery level (single flashing light = low power)

  2. Try a different cable and ensure secure connections

  3. Avoid high temperatures that trigger protection shutdowns

  4. Phone overheating will also stop charging

Q7: How long does full charging take for different capacities?
A7:
• 5000mAh: 3-4 hours (with 10W charger + 1.5-3A cable)
• 10000mAh: 5-7 hours
• 20000mAh: 11-14 hours
• 30000mAh: 16-21 hours
*Always charge for 7+ hours before first phone use*

Q8: What are proper usage tips for new batteries?
A8:

  1. No activation needed - use immediately

  2. Partial charges are fine (no need for full initial charge)

  3. Avoid complete discharge

  4. Charge at moderate temperatures (avoid extremes)