Reflect YouTools for a Better Tomorrow

Power Backup & Inverter Calculator

Calculate your load, estimate backup time, and get professional inverter & battery recommendations.

1. Connected Devices & Load
Appliance W Qty Hrs
Advanced Options
2. Instant Calculation Results
Running Load 0 W
Daily Energy 0 kWh
Rec. Inverter 0 VA
Rec. Battery Bank
Estimated Backup Time 0 h
Detailed Calculation Breakdown
Total Connected Load0 W
Estimated Daily Energy0 kWh
Design Load with Reserve0 W
Suggested Inverter Rating0 VA
Required Battery Capacity0 Ah
Suggested Battery Bank
Estimated Backup Duration0 hours
Solar Array Recommendation
Suggested Hardware System
Inverter Unit
Battery Bank
Solar Panels
Charge Controller
Note: Product ratings and brands should be verified with manufacturer specifications.
3. Summary Report Card

System Sizing Report

Total Load0 W
Daily Energy0 kWh
Inverter Size
Battery Capacity
Target Backup
Battery Chemistry
Solar Integration
UPS Mode
Useful Engineering Tips
✓ Pure sine wave inverters are recommended for sensitive electronics, computers, and motorized appliances.
✓ Maintain a safety reserve so your system never operates continuously at its maximum threshold.
✓ Lithium (LiFePO4) batteries provide deeper usable discharge cycles compared to conventional lead-acid batteries.
✓ Ensure proper ventilation and maintenance if utilizing flooded lead-acid batteries.
✓ Solar array sizing depends on regional peak sun hours, panel tilt, and system efficiency losses.
Disclaimer
Calculations are estimates based on standard theoretical models. Actual performance varies with appliance starting surge current, inverter efficiency, battery aging, ambient temperature, and wiring losses. Consult a certified electrician before installation.