... solar street light with sox ballast 3.sox solar street light 4.CE Electronic ballast(for solar application), 18w, ... 26w, 35w, 36w, 55wmax distance to lamp: 12mlength of lead wire: 15cmT-ambient: -25-55degreeIgnition voltage ... .40220x86x56mmBS4891W91WDC48V42-54V1.90220x86x56mmBS48131W131WDC48V42-54V2.73220x86x56mm Electronic Ballast,18w, DC12V,sox solar street light