30w solar power system model:hf-h30 Solar panel power30 w Host output capacity (peak) 288 w Output voltage 5 v / 12 v / 220 v ( 110 v ) Battery capacity 12 v / 24 ah Charger controller 12 v / 3 a Charging time 5.7 hours Operating temperature -20-+70¡æ Unit size 280*190*245 mm Daily use reference Appliancepower and quantitywork timetotal power Led lamps3 w * 26 h36 w Fan3 w * 16 h18 w Computer60 w * 12 h120 w Other equipment3 w * 25 h30 w At the same time can charge for mobile phone¡¢mp3 & 5 v electric equipment. Unit size 280*190*245 mm