SCM20 Solar ChargeMasterFeatures:High efficiency: your batteries are charged quicklyCapacity for solar panel configurations of up to 3600 WpSuitable for AGM, gel, wet and Mastervolt Lithium Ion batteriesFast and flexible setting of battery typeBattery temperature sensor for long lifespanAutomatic 12V/24V/48V detectionSwitchable outputNoiseless operationLCD displayFully protected against overtemperature, overload, high/low battery voltageHigh/low PV voltage, short circuit and reverse polaritySpecifications:Display/read-out: LCD display with battery state of charge, status output, battery settingDimensions, H x W x D: 3.9" x 5.5" x 1.6"Weight: 0.4 lbAlarms: buzzerCooling: passiveProtection degree: IP20Grounding: (-) terminal Technical specificationsTechnology: PWM (Pulse Width Modulation)Temperature range (ambient temp.):-13 to 122 xFCable size: max. 16 mm} Litz wireSafety protections: over temperature, over load, high/low battery voltage, high/low PV voltage, short circuit, reverse polarity & HV transientsRelative humidity: 95% non-condensingSpecifications battery chargerSystem voltage (battery): 12/24 V auto selectBattery types: AGM, gel, wet, Lithium IonBattery temperature sensor: yesLithium Ion protection: via DC relay & Multipurpose Contact Output, product code 77030500Max. charge current at 25 xC: 20 ASwitchable output (max. current): 20 AEnergy consumption (night): 5 mASolar input (DC) specificationsNom. PV current at 25 xC: 20 APV start voltage (12/24 V): 12.8 V/25.6 VMax. PV voltage (Tmin): 50 VMax. PV power (12 V): 360 WpMax. PV power (24 V): 720 WpWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.