Free Tool
Load Calculator
Pick the appliances you want to run, set your backup hours, and get an instant estimate of the inverter, battery bank and solar capacity you need.
- Connected Load
- 599 W
- Inverter Rating
- 800 VA
- Battery Bank
- 300 Ah
- Solar Array
- 0.6 kW
Your appliances
LED Bulb (9W)
9 W each · 54 W total
Ceiling Fan
75 W each · 225 W total
LED TV
120 W each · 120 W total
Refrigerator
200 W each · 200 W total
Add appliances
Lighting & Fans
Home Appliances
Office & Shop
Industrial
Backup requirement
Battery bank voltage
Recommended system
- Total connected load599 W
- Inverter capacity800 VA
- Battery bank300 Ah @ 12V
- Solar array0.6 kW
Estimates assume 0.8 power factor, 80% depth of discharge and ~4 peak sun hours. Our engineers confirm exact sizing after a site survey.