features 1, Automatic identification system voltage, 12/24V auto recognition. 2, Humanized LCD and LED displaying all the parameter and double button operation of man-machine interface. 3, Advanced MPPT technology, maximum conversion efficiency of 99%. 4, PV wide voltage input, maximum input voltage DC 100V. 5, The load control mode can be selected, the timer function can be reset for street light at night.Features: Automatic identification system voltage, 12/24V auto recognition. Humanized LCD and LED displaying all the parameter and double button operation of man-machine interface. Advanced MPPT technology, maximum conversion efficiency of 99%. PV wide voltage input, maximum input voltage DC 100V. High efficiency intelligent MPPT 3-stage charging mode. The load control mode can be selected, the timer function can be reset for street light at night. Working storage function: record the total run time of system, record timers of error during running time, record times of full charged battery. Reliable over voltage protection, short circuit protection, over load protection, overcharge protection, over-discharge protection. Accurate temperature compensation, correcting the charging and discharging voltage automatically, improving the battery lifetime. User programmable for battery types, load control etc. With RS232 and LAN address book, IP and gateway addresses can be set up to meet the needs of global regions, and provide communication protocols to facilitate unified integrated management of customers. Specification: Current: 15A, 25A, 35A, 45A(optional) Rated Voltage: 12/24V Display: LCD Display Charging Type: MPPT Waterproof Grade: IP32 Self Consume: <12Ma Terminal Scale: 280-AWG Working Temperature: -20C ~ +55 Material: Plastic Color: Black + Blue Package Weight: 834-2125g/29.4-75.0oz Package list: 1 * Solar Charge Controller 1 * User Manual