... .Efficiency(1) Max. power over 97.30%;(2) Advanced MPPT algorithms, maximum tracking efficiency up ... design, 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(1 ... AS4777(AS3100),EN61000-6-1:4,EN61000-3-2:3,EN61000-11:12Maintenance5 years,(10 years Optional) ...