Sun YOBA Solar Charge Controller Solar Controller 50A 12V 24V CM5024Z Simple visible LCD display shows live parameters of power system, monitor and check system status. All the controlling parameters can be reset flexibly to satisfy your different needs. 12V 24V auto switch, and automatically break off when the battery is not sufficient to power loads, make sure battery will not drain off. Integrated multiple protection against overcharge, over discharge, over load, short circuit and reverse polarity, safely protect your battery. Temperature compensation function, the controller can automatically adjust the charge parameters of battery by environment temperature to prolong the service life of battery.