ESMART ESF48H60 MPPT Solar Charge Controller 60A 200V PV, Negative Ground, RS485, LCD DisplayOverview The ESMART ESF48H60 MPPT solar charge controller (4th generation) is designed to harvest energy from PV solar panels and charge batteries using continuous Maximum Power Point Tracking (MPPT). It supports lead acid and Li ion battery systems and provides negative ground system operation with communication and monitoring expansion options. Key Features MPPT efficiency: 99. 5% High tracking efficiency: 99. 5% Charges lead acid and Li ion