Exide Insta Brite Pure Sine Wave Inverter vs Supperl Electro Fisher Ultrasonic Wave Inverter comparison

Exide Xtatic 850va Home UPS System is a Pure Sine Wave Home UPS System that protects your home appliance from power cuts. Features of Exide XTATIC Range of Home UPS Great power saving User-friendly LED display Easy handling (compact size) Overload sense/ battery low and short circuit protection Wide input voltage window-90 volt to 300 volt in normal mode Better charging at low AC input Exide Xtatic Techincal Specification 1. Output Voltage at No Load : 230V+/-2V(AC) 2. Output Frequency : 50HZ+/-1HZ 3. Output WaveForm : Pure Sine Wave 4. Nominal Battery Voltage : 12V(DC) 5. Low Battery Cut-off: 10.5V+/-0.2V(DC) 6. Charging Current two mode: Normal Charging - 9.5A+/-1.5A High Charging - 14.5A+/-1.5A 7. Boost Charging Voltage: 14.4V+/-0.2V 8. Trickle Charging Voltage : 13.7V+/-0.2V 9. Charging technique : Auto Battery Charge, level Sense, Smart Charge 10. Change over time Mains to UPS and vice versa : 10 msec (at mains low and high cut) 11. Input Voltage range in UPS Mode : 180V to 260V +/- 5V