... years warranty Production introductionThe DC-50 family of charge controllers is the latest innovation in maximum power point Tracking(MPPT ... ,over loading,over discharge,short protectDisplayLEDsolar ,load,batteryLCD(option):Battery voltage ,Batterycharge current,Load currentLED:solar ,load ... temperature range-10°C~50°COperation humidity0~90% RHConnectionJunction end:Solar,Battery,Loadsize(H×W×D)47×175 ...