IP68 Waterproof Solar Charge Controller 1,Stree light solar controller 2,1 year warranty 3,PWM Control KM-5A, 10A, ... of the CPU power for a variety of voltage-mode, 12V - 60V automatic identification, overshoot, over-discharge, reverse polarity protectionFour: One ... make regulation more convenient, more reliable6 MOS charging circuit in series with dual control loop, the loop voltage loss than the ...