Please use a dry, soft, clean cloth or paper towel to gently wipe the product.

Store it in a dry, well-ventilated place at room temperature. The recommended storage temperature is -4°F~140°F (-20°C~60°C) and keep it away from water resources, heat resources, metal objects and chemical substances.

1. Charge it to around 60% capacity and turn off the product before storing it.
2. For long-term storage, it is recommended to fully discharge and then fully charge the battery(0%-100%) once every 3 months.
3. And the warranty will be voided if the product has not been charged or discharged in 6 months.

Yes, it can be charged with a generator that has a built-in pure sine wave inverter. The company will not be responsible for any product damage caused by using a generator without this feature.

No, this product cannot be brought on board a plane due to aviation regulations for lithium-based batteries.

1. Turn off the AC and DC output power.

2. Simultaneously press and hold DC output power button on USB side and main power button for 3-5 seconds, till the frequency sign flashes on the screen. Press AC output power button to choose frequency "50" or "60".

3. Long press the main power to confirm, then the abbreviation ”SUC” will flicker, indicating a successful setting.

4. Long press the main power button to exit the setting mode.