296wh portable power station, bigblue [pd 100w type-c] 80000mah solar generator with mppt, 4 pure sine wave ac/4 dc/4 usb ports, fast charge, cpap backup battery with 18w flashlight for camping bigblue long press the power button for 2s, then long press the ac control switch button for 2s to switch on the ac output. long press 2s the power button to turn on the usb outputs. long press 2s the power button and short press the dc control switch to turn on the dc output.