... inverters with high efficiency. With aluminum housing, Integrated interface system, they are light and handy, making installation easier. They ... both indoors and outdoors.Features1.Efficiency(1) Max. power over 97.30%;(2) Advanced MPPT algorithms, maximum tracking efficiency up to ... :4,EN61000-3-2:3,EN61000-11:12Maintenance5 years,(10 years Optional) . Grid-tied Solar Inverter(1.5KW,2.2KW,3KW)