Off-Grid Solar System Sizer

Size your off-grid solar system using manual inputs (loads, HSP, autonomy, voltage).

Daily Loads (appliances)
Device Watts Qty Hours/day Wh/day
Total daily energy kWh/day
Estimated simultaneous peak power W
System parameters
LiFePO₄ · DoD 0.85

Recommended inverter (continuous) W
Battery bank Ah @ 24 V — usable kWh
PV array Wp — panels of 550 Wp
Charge controller current A (≈ +25%)