... the lights.3). Wind-solar complementary lights intelligent controller provides solar cell antirecoil,battery over charge, over discharge, battery ... level IP54Service life(year)above 152).Solar panels, light source, and other ancillary equipments ITEMREMARKSolar panelsmonocrystalline ... ,height 9m,hot-dip galvanizing,spraying paintcontrollerover charge, over discharge, battery open-circuit, automatic ...