1. Full power, high efficiency and full load, the temperature rise is only 25°C 2. The intelligent controller will record the power generation curve within a week. Through the curve, you can judge whether the solar panel is installed correctly and whether the battery needs maintenance. 3. Intelligent charging This controller is compatible with lead-acid batteries, gel batteries and lithium batteries. More importantly, this controller can charge batteries with a voltage as low as OV and restore the battery voltage 4. Powerful LCD display can set battery type, DC output, factory reset, language, brightness, light time control, etc. record query, fault query, power curve, daily and cumulative power generation 5. All-round multiple protection: overcharge protection / over discharge protection / overload protection / short circuit protection / anti reverse connection protection / over temperature protection, Manufacturer: SOYWIM