1, eMPPT function 2, charge management 3, 48V 4. Multi-functional protection mppt solar charge controller 60a ... compensation voltage U=(t-25)*12*(-0.004)V;For 48V battery, compensation voltage U=(t-25)*24*(-0.004) ... power point voltage tracking scope12V~70V(12V)24V~70V(24V)48V~130Vsolar panel input route2 route2 routeoutputrated working voltage12V/24V ... 30°C~+80°C hybrid solar charge controllers 60A 48V