Free Tool
Load Calculator
3 simple steps to find the exact inverter VA and Zen battery you need for your home or office.
1
Select Appliances
2
Backup Duration
3
Results
1
Select Appliances to Run During Power Cut
0 selected
Please select at least one appliance to continue.
2
How Many Hours of Backup Do You Need?
Total Appliance Load
—
Recommended Inverter
—
Battery Capacity Required
—
Recommended Inverter
— VA
Calculation Breakdown
Recommended
Zen Tubular Inverter Batteries
Based on your load, the batteries below best match your power requirement.
Need expert advice?
Our team will help you choose the right battery and inverter combination for your exact requirement.
Disclaimer: Estimates are based on standard appliance wattages. Actual consumption varies by brand, model, age and usage. Consult a certified technician before purchasing. Zen Batteries is not liable for decisions made solely on these results.