1. Mppt+pwm Coexist Function: The Solar Charge Controller Will Automatically Adapt To The Adjustment Charging Mode (mppt/pwm), And Automatically Adjust The Charging According To The Type Of Battery. 2. Small Tip: For Example, Lithium Batteries Need To Use The Mppt Charging Method, And Those That Can Charge 12v Acid Batteries Use The Pwm Charging Method. 3. Lcd Display: The Solar Charge Controller Features The Large-screen Lcd Display, Charge And Discharge Current Display, Cumulative Power Generation And Discharge Power Query, Temperature Display, Light Control + Delay Control; Adjustable Charge And Discharge Parameters, With Functions Such As Power-off Memory. 4. Dual Ports: The Solar Charge Controller Features The Dual Usb Ports, The Maximum Current Of It Is 2.5a, And It Supports For Apples Mobile Phone Charging. 5. Multiple Functions: The Solar Charge Controller Features Is Equipped With All Necessary Protection Devices, The Control Parameters Of The System Are Adjustable, Easy To Set Up And Operate. B Suitable For Everyday Use