... Solar Charge Controller 1,Stree light solar controller 2,1 year warranty 3,PWM Control KM-5A, 10A, 15A,20A,30A ... Light Orange blinking indicates the solar panel voltage.I: Unique cooling technology, the controller closed tight with waterproof, dustproof, moisture, ... of revision control, different discharge rate with different termination voltage, fit for the battery inherent characteristics4 ...