Yangtze 12v 24v 30A Solar Charge Controller adopts the most advanced digital technique and operates fully automatically. The Pulse Width Modulation (PWM) battery charging can greatly increase the lifetime of battery. It is  ideal for small solar system especially home system 12v 24v 30A Solar Charge Controller Features:·High efficient Series PWM charging,Website:http://www.yangtze-power.com, increase battery lifetime and improve solar system performance·Use MOSFET as electronic switch, without any mechanical switch ·Intuitive LED indicators showing battery voltage status·Gel, Sealed, and Flooded battery type optional·Manual control the output of the load·Temperature compensation, correct charging and discharging parameters automatically·Humanized  Key, more comfortable and convenient ·Industrial grade design12v 24v 30A Solar Charge Controller Electronic Protections:·Load overload protection·Load short circuit protection·Battery over discharge protection ·Battery over charge protection ·Battery reverse polarity protection◆YSC-T (10A-30A) 12V/24V Auto , 36V ,48V Solar Charge ControllerModelYSC-T12/24YSC-T36YSC-T48Rated  Voltage 12V/24V Auto36V48VStrong Charge Voltage 14.8V/29.6V44.4V59.2VEquilibrium Charge Voltage14.5V/29V43.5V58.0VFloating Charge Voltage 13.7V/27.4V41.1V54.8VUnder Voltage Protection10.8V/21.6V32.4V43.2VUnder Recover Voltage 13V/26V39.0V52.0VMaximum Charge Current 20A/25A/30A10A/20A10A/20A/30AMaximum Load Current20A/25A/30A10A/20A10A/20A/30AOver load Protection 1.2 times of rated current in 3seconds auto-recovery;1.5 times of rated current in 10seconds auto-recovery ; ≥2 times of rated current , short circuit protection need to be checked recovery manuallyMaximum Wire Diameter 4mm²Protection Level IP56Operating Temperature -40℃~+60℃Using Altitude ≤5500 meters Size 136 x 92 x 31mm