• High temperature protection: Stop using the product and move it to a well-ventilated area away from heat sources. The alarm will automatically stop once the product’s temperature returns to normal.
  • Low temperature protection: Move the product to a warmer location. The alarm will automatically stop when the product’s temperature returns to normal.
  • USB-C1 output overload: Disconnect the device connected to the USB-C1 port. Wait for the alarm to stop automatically before attempting to use it again.
  • USB-C2 output overload: Disconnect the device connected to the USB-C2 port. Wait for the alarm to stop automatically before attempting to use it again.
  • USB-A output overload: Disconnect the device connected to the USB-A port. Wait for the alarm to stop automatically before attempting to use it again.
  • Car charger output overload: Disconnect the device connected to the car charger output port. Wait for the alarm to stop automatically before attempting to use it again.


If the fault persists after trying the above methods, please contact our customer service for further after-sales assistance.

How to Turn On Low Current Mode

  1. Connect a low-power device to the USB-A port.
  2. Double-click the multi-function button. When the USB-A port flashes, low-current mode is activated.
  3. Low-current mode lasts for 3 hours. You can double-click the multi-function button to exit it early.

What Material Is the Device’s Battery Made Of?

LiFePO4 (Lithium Iron Phosphate)

How to Charge the Device and Charging Power Details

  • Type 1: Connect to a power source via the USB-C in-out ports.
  • Type 2: Use a solar charging cable to connect the product’s solar/car charger input port to a solar panel (only applicable to Trail 300 and Trail Plus 300).
  • Type 3: Use a car charging cable to connect the product’s solar/car charger input port to the car’s cigarette lighter (only applicable to Trail 300 and Trail Plus 300).
  • Trail 200: Equipped with 2 USB-C ports, with a maximum input of 140W and 100W respectively.
  • Trail 300: Equipped with dual USB-C ports (maximum input of 140W) and a solar/car charger port (maximum input of 110W).

Product Storage and Usage Precautions

  • Store the product in a dry, cool, and ventilated place at room temperature. The optimal temperature range for use and storage is 0℃~30℃.
  • Do not place the product in environments with water, heat, strong magnetic fields, or corrosive gases.
  • For long-term storage, it is recommended to charge and discharge the battery once every three months (first fully charge it, then discharge it to 60%) to extend the product’s service life.