Products and components come from a qualified vendor list. As charge controllers ans PV system/loads controllers, the SMA Sunny Island 6.0/8.0 are currently the standard choice for large installations – above 20 kW. For the storage Rolls and Enersys delivers high quality, long-lasting warranty (up to 10 years) batteries particulary suited for fast charge/discharge cycles (10-20 hours) with high currents. The lifecycle ranges between 3200 and 4500 cycles at depth-of-discharge (DOD) between 35 and 50%, as guaranteed by the manufacturers. A broader choice of available products is available from our web site > here.
Download here [opens pdf] a brochure with typical off-grid kits (DC and AC).