* The product applies to diversified loads because its digital design,pure sine wave output and excellent overcurrent protection can withstand the loads with a large starting current; the product is provided with independent solar three-stage charge management to improve charge efficiency of its battery and realize a longer life;the product provides universal 5VDC-USB output port and 12VDC output to be widely applied to a small solar power generation occasions including families,schools,street monitoring,forest monitoring,industrial and mining enterprises,frontier defense,sea islands,pasturing areas,etc