Off Grid Supply Hub
Interactive Power Sizing Tool
Off-Grid Solar & Battery Calculator
Calculate your total daily energy loads, battery storage capacity, solar panel array output, and minimum inverter continuous wattage.
Specification summary copied to clipboard!
1. Appliance Energy Usage
Add electrical devices powered by your system
Quick Presets:
2. System Parameters
Higher voltage reduces current (Amps) and wire size requirements.
Depth of Discharge (DoD) specifies usable capacity safely.
2 Days
1 Day (Sunny area)
2 Days (Standard)
4 Days (Overcast)
4.5 Hours
2.5 hrs (Winter / South)
4.5 hrs (Australian avg)
6.5 hrs (Outback / North)
System Sizing Results
Live CalculatedTotal Daily Energy Consumption
0
Wh / day
Daily Energy Equivalent: 0.00 kWh/day
Required Usable Battery Storage
0
Ah @ 48V
Total Battery Capacity:
0.0 kWh
Est. 100Ah Battery Units:
0 unit(s)
Recommended Solar Panel Array
0
Watts Minimum
400W Rigid Solar Panels:
0 panels
200W Compact Panels:
0 panels
Minimum Continuous Inverter Rating
0
W Continuous
Recommended Surge Peak Rating: 0 W
Sizing logic includes a standard 1.25x efficiency factor for charge controller, wiring, and inverter conversion losses.
*DISCLAIMER: This calculator has been AI-generated – the results are estimates only and users should consult a certified solar professional before purchasing equipment.