... Any specification we can meet with you. solar lighting system for homeModel:SW-HS40-40Solar panel:40W (Mono ... 1 fan,cell phone chargerTo design a solar generator system, the following conditions are needed to consider:1. ... output wattage (in KW, or watt) of the system? 4.What about the voltage request? Is it ... 110VAC, 220VAC ? 5.How many days should the system work after the battery is fully charged if it ...