100% power can be used continuously for 58-1440 hours depending on different options. The portable camping fan have 5V/3A Type-C input/output and 5V/3A USB output charging port. If you are worried that the fan indicator light will disturb you at night, you can short press the 'Sleep Mode' button to turn off the indicator light; if you do not want to be disturbed by the fan's response sound at night, you can long press the 'Sleep Mode' button to turn off the sound.
eBay