It will take three start attempts. Suppose your generator is unable to start due to low fuel, mechanical failure or anything else, it will enter into an error state. In that case, V2 AutoGen controller will notify you with an email to correct the malfunction. It monitors battery voltage and starts your generator automatically to charge them. When batteries have reached 100% charge state, it will shut off automatically. This feature makes it the perfect backup system for off-grid, wind, solar, boat, telecommunication or caravans etc. Website :- https://dcautogen.com/ Contact Us :DC Generators [email protected] 17a Agiou Epiphaniou Str Limassol 3084 Cyprus +357 96169104