Calculate & estimate
Real battery and panel sizing from your energizer's power draw, plus a solar-vs-mains cost comparison over time.
Daily energy need
192 Wh
Battery capacity
96 Ah @ 12V
Solar panel size
65 W
Assumes 4h average peak sun, 50% safe battery discharge depth, ~75% system efficiency (charge controller + wiring losses), and 3 day(s) of cloudy-weather backup.
Enter a solar system cost to compare against mains running cost.
