SR81 (SR868C8 Updated Version) Solar Water Heater Controller for Separated Pressurized Solar Systems — Multiple Protection Functions

Compatible with battery systems, this controller lets users set the output voltage and current to match their actual needs. It uses MPPT technology with high tracking efficiency to increase the energy harvested from solar panels. Engineered for high speed and strong performance, the unit is ideal for solar charging applications. The controller is compact and durable for easy portability. Advanced thermal design delivers excellent heat dissipation for rapid temperature control.