The 40A Digital Solar Charger Controller Dual USB is a powerful and smart solution for managing your solar energy system. Designed for medium-sized to larger off-grid solar applications, this controller can handle up to 40 amps of charging current, making it ideal for solar arrays up to 480W (12V) or 960W (24V). Its advanced PWM (Pulse Width Modulation) charging technology ensures precise power delivery and optimal battery performance, extending the lifespan of your system.

Equipped with a clear digital LCD display, the controller provides real-time, easy-to-read data on key system parameters such as solar panel voltage, battery voltage, charging and discharging current, and load status. This digital interface empowers you to monitor your system at a glance and make informed adjustments when needed.

One of the standout features is the dual USB output ports, designed to directly charge your smartphones, tablets, and other USB-powered devices from your solar system, eliminating the need for additional adapters.

Safety and reliability are built into the DNA of this controller, with a comprehensive suite of electronic protections including overcharge, over-discharge, overload, short-circuit, and reverse polarity protection. Additionally, it features automatic 12V/24V system voltage detection, seamlessly adapting to your battery system’s requirements. The controller is compatible with multiple battery types, including sealed, gel, flooded, and lithium-ion.

Compact and easy to install, the 40A Digital Solar Charger Controller Dual USB is perfect for cabins, RVs, boats, tiny homes, and even residential backup systems. It’s a versatile, high-performance addition to your renewable energy toolkit, providing reliable power management and enhancing the safety and lifespan of your batteries.

⚙️ Major Applications:

🔋 Off-grid power systems – Ideal for cabins, tiny homes, boats, and remote cottages.
🏕️ Camping and outdoor solar setups – Power your essential devices while off the grid.
🏠 Residential backup and supplemental solar systems – Ensure consistent power and energy independence.
💡 DIY solar projects – Great for hobbyists and educational solar setups.
📡 Remote solar-powered applications – Monitoring stations, security systems, and garden lighting.