This intelligent solar controller features a professional mains complementary power supply system, enabling fully automatic, seamless switching between solar battery power and municipal electricity. It intelligently optimizes battery charging and load power supply status, eliminates power outage and lighting failure risks, and delivers stable, reliable, and energy-saving power support. Ideal for outdoor lighting, solar monitoring and various outdoor power supply projects.
Engineered for reliable off-grid and semi-off-grid power management, our upgraded solar controller integrates advanced mains complementary power supply technology, solving the core pain points of traditional solar power systems such as unstable power supply, insufficient battery power, and sudden lighting outages caused by extreme weather or long-term insufficient sunlight. With intelligent automatic control logic, the device requires no manual operation throughout the whole process, realizing intelligent unattended power supply management.
The controller adopts a dual-power intelligent switching mechanism with precise program control to ensure zero-delay and seamless switching, avoiding strobing, black screen or power interruption of electrical equipment. Its two core working modes fully adapt to diverse application scenarios:
✅ Mains Power Connected Mode
When municipal mains power is normally connected, the controller prioritizes the mains power to work stably. In this state, the system intelligently starts the battery charging program, safely charges the matched solar battery with constant current and constant voltage, and realizes battery maintenance and energy storage. Meanwhile, the load lighting equipment remains in a closed state, effectively reducing unnecessary power consumption, avoiding long-term standby loss of the load, and extending the overall service life of lighting lamps and electrical loads. This mode fully stores electric energy for subsequent use and makes full preparation for power outage emergencies.
✅ Mains Power Disconnected Mode
Once the mains power is cut off due to power failure, line failure or construction maintenance, the controller will instantly trigger the automatic switching program. The fully charged battery immediately outputs power to supply the load equipment, and the lighting fixtures turn on automatically without any manual intervention. The whole switching process is rapid and stable, with no power gap, ensuring the continuous operation of lighting and power supply equipment.
Different from ordinary solar controllers with single power supply mode, our mains complementary solar controller perfectly combines the environmental protection and energy-saving advantages of solar power generation with the stability of municipal mains power. It makes up for the shortcomings of solar power generation affected by seasons, weather and light intensity, and greatly improves the stability and reliability of the whole power supply system. The built-in intelligent protection program can effectively prevent battery overcharge, overdischarge, short circuit and overload, protecting the battery and load equipment in an all-round way and reducing later maintenance costs.
Widely applicable in various fields, this controller is the ideal power management accessory for outdoor solar lighting systems, rural road solar street lights, community outdoor lighting, solar monitoring equipment power supply, field off-grid power projects, scenic spot lighting systems and remote area independent power supply systems. It can stably cope with complex outdoor environments and long-term uninterrupted working conditions, providing lasting and safe power guarantee for various off-grid and semi-off-grid electrical systems.
Email: jimmy@swiott.com
WhatsApp: +86-13809887645
Website：www.swiott.com
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https://swiott.com/products/scc-120-l-lora-solar-mppt-controllerhttps://swiott.com/products/scc040l-smart-solar-street-light-controller-redefining-the-new-benchmark-for-outdoor-lighting
