All product features can be used without logging in (tourist account). However, if you need to upload logs for troubleshooting, you must log in first.

Multiple nearby Bluetooth devices may cause pairing issues.

• Make sure Bluetooth is on for both your phone and this product, and keep them close.
• Move to an area with fewer devices.
• Press for 7 seconds to reset Bluetooth, then try again.

Make sure the network is stable. Keep the product close to your phone and keep the app open until the update completes (7 - 10 min). Do not turn off Bluetooth or charge other devices. If it still fails, contact support or upload logs in Settings.

Some energy loss (typically 30 - 45%) is normal during power conversion because of battery and circuitry design. After conversion, a fully charged 20,100 mAh power bank provides about 11,250 mAh to your devices.

Make sure the cable supports 100W (5A). Third-party chargers only provide maximum power under the PD protocol. Heating during charging is normal. To protect the battery, power may drop. Charge in a cool area and avoid powering other devices.

When charging and recharging simultaneously, output is about 70 - 80% of input. If the charger is under 30W, it may not meet device needs. Use at least 100W or pause recharging. When the battery is full, it stops recharging and resumes at about 90%.

After heavy use, the battery cells may be too warm. Recharging will resume once the temperature drops to a safe level, protecting the battery lifespan.

Small current variations can cause slight differences between the two ports. It does not affect normal use.