... meters car air purifier,home air purifierTechnical parameters: Power requirements: polymer lithium battery solar 5V600mA 3.8V1500 ... cons of automatic intelligent, high-power solar power systems and DC12V, AC220V three intelligent power conversion, liquid crystal display, ... shut down.3: large solar power system and DC12V, AC220V three sets of power supply system conversion.4: activated carbon, anion ...