Renogy 12V/24V IP67 50A DC-DC Battery Charger with MPPT

[{"question"=>"what is the significance of the system voltage value of 12/24v-12/24v for this ip67 charger?", "answer"=>"when the ip67 charger is connected to a solar panel, it can use a 12v solar panel to boost the voltage to charge a 24v house battery, or buck the voltage to charge a 12v house battery. when the charger is connected to the starter battery, a 12v starter battery can be used to boost the voltage to charge a 24v house battery, or directly charge a 12v house battery."}, {"question"=>"what are the solar input requirements for this charger?", "answer"=>"the charger supports up to 720w of solar input, is compatible with solar panel input voltages up to 50v, and works with both rigid and flexible solar modules."}, {"question"=>"what type of alternator is this charger compatible with?", "answer"=>"the charger is compatible with both smart alternators and traditional alternators. because each alternator type has different working voltages, the charger’s built-in bluetooth allows you to connect to the renogy dc home or core app and adjust the appropriate input voltage based on your alternator’s characteristics."}, {"question"=>"how do i set the battery type on this charger?", "answer"=>"there are two ways to set the battery type: (1) use the physical button next to the “type” indicator on the charger and press briefly to cycle through available battery types. (2) use the built-in bluetooth function to connect to the renogy core or dc home app and select the desired battery type in the app."}, {"question"=>"how can i view system and charging data without a display?", "answer"=>"this charger includes bluetooth communication, so you can connect it to the renogy core or dc home app to view real-time charging data, system status, and settings directly from your phone or tablet."}]