MPPT 40A Solar Charge Controller 12/24V with MT50 Remote LiFePO4/Lead-Acid
PV input power:520W @12V battery or 1040W @24V battery. Max PV 100V. Common Negative grounding, Compatible with lead-acid and Lithium type batteries. More details watch video Tutorials. Colour MPPT 40A+MT50+RTS.