Off-Grid Tiny Home Solar & Rainwater Harvesting Solver

Size off-grid 48V solar/battery banks, roof catchment gallons, potable storage cisterns, and water independence.

Power Draw & Roof Catchment

Estimated Daily Power Consumption (kWh / day)

Average Peak Sun Hours (Hours / day - e.g. 4.5 hrs)

Battery Backup Autonomy Days (Zero Sun)

Roof Footprint Catchment Area (Square Feet)

Average Annual Rainfall (Inches / Year)

Minimum Solar Array Required

1,800 Watts (5x 400W Panels)

48V LiFePO4 Battery Bank Storage

19.5 kWh (406 Ah @ 48V)

Annual Rainwater Harvested

9,000 Gallons / yr (750 gal/mo)