LCD display screen & 4 pcs button: data display & parameter setting;
6 pcs LEDs indicate: Charging, Full battery, Low volt, Over load, Over volt, Working;
Reverse polarity protection of battery & solar module;
Battery over charge & over discharge alarm and protection;
Output over load & short circuit protection;
Reverse current protection at night;
Temperature compensation;
Lightning protection.
Solar Charge Controller (40A)