DFUN e thehile tharollo ea tlhahlobo ea bokhoni ba marang-rang e hole bakeng sa li-betri tsa 48V tsa backup . Tharollo ena e kopanya mesebetsi e mengata, ho kenyeletsoa tlhahlobo ea matla a hole, ho ntša matla, ho tjhaja ka bohlale, ho lekola betri, le ho kenya tšebetsong. E sebetsana ka katleho le liphephetso tse kang nako le matsapa a sebelisoang ke tlhahlobo ea matsoho, mathata a tlhahlobo ea bokhoni ba kantle ho marang-rang, le mathata a tlhokomelo a hlahang libakeng tse hasantsoeng. E loketse li-substations, litsi tsa taolo, le lisebelisoa tsa matla a polokelo ea matla.