Features 1Autofocusing MPPT tracking charging high charging efficiency nonstop detection during charging twoway focusing tracking. 2Charge 12V/24V lead-acid battery ultra-wide charge and discharge adjustable. 3Builtin overheating overcurrent short circuit open circuit protection troubleshooting and automatic controller recovery. 4Twoway MOS tube antibackflow circuit highpower charging mode ultralow heat. 5R5.0 solar charging DC plug R5.0 DC lamp output DC plug easy to connect. Specification Item Type: Solar Charge ControllerMaterial: ABSColor: As shown in the pictureProduct Size: Approx. 13.3x6.8x3cm / 5.2x2.7x1.2inWeight: Approx. 154g / 5.4ozRated Current: 40ACharging Mode: 6 stagesFunction: Charge 12V/24V lead-acid battery ultra-wide adjustable charge and dischargeSelf-Consumption: <10MAOvercharge Protection: 14.4V/28.8VOver Discharge Protection: 10.7V/21.4VOver Discharge Recovery: 12.6V/25.2V Package List 1 x Solar Charge Controller1 x Chinese and English Instruction Note 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Without power storage function.