Solar System & Load Calculator1. Daily Load (Consumption) Total Load (Watts) Usage Hours per Day Daily Consumption: 4000 Wh/day2. Battery Storage System Voltage (V) 12V24V48V Autonomy (Days of backup) 3. Solar Panels Sun Hours per Day Panel Wattage (Wp) Battery Bank Needed333 Ah Solar Panels Needed3 Panels Runtime on Battery16 Hours