The controller is pwm charge controller with built in lcd display with option for charging various lead acid battery type and multiple load control functionality.
specifications
rated voltage : 12v | 24v | 36v | 48v dc auto detect
rated charging current: 45a
max input power:
12v 540w | 24v 1080w | 36v 1620w | 48v 2160w
max. pv open circuit voltage: 100v (45v at 25°c temperature)
battery type: sealed(default) / gel / flooded
3-stage pwm charging: bulk, boost/equalize and float
battery voltage range: 9v~48v
usb output: 5vdc /2.4a (total)