SPAR-HPS hybrid, bidirectional, behind the meter converter with power ratings 50, 75,100, 125 and 150kW, with various voltages from 208 to 690Vac, 3 ph. 50/60 hz. Suitable for battery energy storage of all technologies such as Lithium Ion, Fluid Batteries, Lithium Iron Phosphate, Hybrid and Supercapacitors.