Easier and saferReliable overvoltage protection, short circuit protection, overcharge protection, overcharge protection, overdischarge protection. Accurate temperature compensation, automatic correction and discharge of charging voltage improve battery life. Reverse connection protection. Function Load control mode can be selected, timer function can be reset for street lighting at night. Discharge capacity control. Running storage function: record total system running time, record error timers during running time, record fully charged battery hours. FeaturesAutomatic identification of system voltage, 12/24V automatic recognition. Humanized LCD display and machine interface Double-button operation. Full car technical specifications for setting and modification. High-efficiency 3-stage MPPT intelligent charging mode. /p> Easy to useSolar panels, battery, solar charge controller positive poles are all connected together, adopting series negative MOSFET controller circuit. Please note that the marks that appear are for compatibility demonstration purposes only