Features:Innovative MPPT technologyPeak conversion efficiency of 98%High tracking efficiency up to 99%Several seconds tracking speedDie-cast aluminum design and nature coolingEnergy statistics functionRS485 ports with MODBUS communication protocolOptional PC monitoring software and remote meter for real-time monitoring and battery management parameter settingField upgradable firmwareElectronic ProtectionsPV short circuit protectionPV overvoltage alarm protectionPV current limiting protectionPV reverse polarity protectionBattery overcharge protectionBattery over discharge protectionBattery reverse polarity protectionLoad overload protectionLoad short circuit protectionOverheating protectionSpecifications:ModelTracer1215BNNominal system voltage12/24V auto workRated battery current10ARated load current10AMax. PV open circuit voltage150VMax. battery volt