1)solar controller used PWM technology 2)12V,24V,48V,96V 3)10A,20A,30A,60A,100A 4)Short circuit prtection 5)lower price solar controller specification:1) MCU control charge and discharge by the state, achieve the best charge state. Automatic detection and tracking external battery temperature, built-in temperature compensation.2) With full electronic protection function: over charge, over ...