Range start from 400VA to 7.5 KVA Battery Voltage From 12 VDC to 120 VDC Pure Sine wave output from no load to full load Smart micro controller design 20 KHz switching frequency for noiseless operation SMPS based charger with complete battery management ( with multistage) for Higher Input power factor (0.9) Auto restart for overload up to 10 times Input low & High voltage cut off protection High serge capacity (up to 300%) for starting heavy loads Temp controlled cooling fan operation for higher use life