Safety plus DSP 2KVA can be operated with 80 watts 8 ceiling fan + 20 watts 20 lights. 2KVA DSP IPS cum UPS features a 50 Hz pure sine wave, no sound in the fan, no capacitor damage, microcontroller control system, auto charging control, no more charge when the charge is full, battery maintenance system, short circuit and overload protection. The system will shut down when the battery voltage will low. The LCD display will show the main voltage, battery voltage, output voltage, charging status, load amount and overload. There is a UPS system and for this, the computer will not restart.