... .Efficiency(1) Max. power over 97.30%;(2) Advanced MPPT algorithms, maximum tracking efficiency up ... , suitable for any kind of outdoor environments;(2) Built-in a high-accuracy clock: records ... large LCD interface, easy to view and configure; (2) Integrated DC Switch (Lockable-off); 4.Communication( ... 3-2:3,EN61000-11:12Maintenance5 years,(10 years Optional) . Grid-tied Solar Inverter(1.5KW,2.2KW,3KW ...