Application : Charger Controller Model Number : M30 Maximum Current : 30A is_customized : Yes Brand Name : Y-SOLAR the max Input : 360W(12V) 720W(24V) For : Off grid PV System Battery standard voltage : 12V 24V Auto USB : 5V Maximum open circuit voltage : 18V-24V(12V system)36V-48V(24V system) Temperature compensation : -4mV/Cell/degree centigrade Battery float voltage : 13.8V(12V system)/27.6V(24V system) Battery(under voltage) protection : 10.6v(12V system)/21.2V(24V system) Battery (under voltage) recovery voltage : 12.6V(12V system)/25.2V(24V system) Item : Solar Panel Controller MPPT 30A M30,30A PWM Solar Charge Controllers(MPPT20) 12V 24V Auto Work LCD dispaly with Max 720W Solar Panel Notcie: not true MPPT ,there is no large transformer coil inside This is a compatible MPPT charge controller PWM intelligent / efficient / energy saving, he not only has efficient MPPT controller charging function to automatically track the maximum power point, 10% -30% higher than the ordinary controller charging efficiency, also has standby energy saving, more than 30% energy than ordinary controller, the standby power consumption of only 10mA-15mA. LCD screen display Battery reverse discharge protection Easy operation interface Battery reverse polarity protection MPPT+ PWM charging mode Battery under voltage protection Parameter user can reset Overload Short-circuit protection A key to restore the factory settings USB 5V charging (for 500mA) for mobile phone(Only for M30) A key to open and close the load Automatic temperature compensation function We can OEM ODM,if you need. For Wholesale,please feel free to contact us via aliexpress message!!!(1) Package Included 1. 1x 30A solar controller M30 2. 1x user manual 3. 1x temp sensor