1Upgraded Charging Algorithm: Periodically or over discharge equalization charging for the battery, effectively preventing battery imbalance and vulcanization, and extending battery life. 2Parameter Adjustable: Using temperature compensation, the charging parameters can be automatically adjusted. Automatic identification of 12V/24V system voltage. With power off memory function. 3Electronic Protection: The advanced load starting method is adopted, and the large capacity load can also be started smoothly. Provide overcharge, overdischarge, overload, short circuit protection. 4Intuitive Operation: Lcd screen and one key man machine interface are provided. User friendly browser and dynamic interface design ensure convenience and speed. 5Industrial Grade Design: Tvs light protection, can work in all kinds of harsh conditions. Two solar panels can be connected, more efficient than other controllers.