Li-solar modules, tse tsejoang hape e le liphanele tsa letsatsi, li entsoe ka lisele tse 'maloa tsa photovoltaic (PV) tse hapang matla a letsatsi le ho a fetola motlakase.Lisele tsena hangata li entsoe ka silicon kapa lisebelisoa tse ling tsa semiconducting, 'me li sebetsa ka ho monya li-photon ho tsoa khanyeng ea letsatsi, tse ntšang li-electrone le ho hlahisa motlakase.Motlakase o hlahisoang ke li-module tsa letsatsi ke mofuta oa motlakase o otlolohileng (DC), o ka fetoloang ho alternating current (AC) o sebelisa li-inverters e le hore o ka sebelisoa malapeng le likhoebong.