Comments and answers for "Differnte MPPT vs Orion" The latest comments and answers for the question "Differnte MPPT vs Orion" Answer by xychiux <div class="fr-view clearfix"><p>Guess I stumbles upon an answer myself: in order to allow charging the solar input needs to be battery voltage + 5v (which a alternator will never deliver) </p></div> Sun, 20 Jun 2021 06:50:29 GMT xychiux