MPPT Controllers - Dual Batteries

What is a Dual Battery Controller? 

A Dual Battery Solar Controller is a device used in solar power systems that manages and regulates the charging of two separate battery banks from a single solar array. These controllers are designed to optimize the charging process and protect the batteries from overcharging or over-discharging. Here are some key features and benefits of dual battery solar controllers: 

• Dual battery charging: The primary function of these controllers is to charge two independent battery banks simultaneously from the same solar panel array. This is particularly useful in systems that require separate battery banks for different applications, such as a starter battery for engine cranking and a deep-cycle battery for powering electrical loads. 
• Intelligent charge management: Dual battery solar controllers employ advanced algorithms and techniques to efficiently distribute the available solar power between the two battery banks. They can prioritize charging one battery over the other based on user-defined settings or the state of charge of each battery.
• Battery type compatibility: Most dual battery solar controllers can accommodate various battery types, including lead-acid (flooded, AGM, and gel), lithium-ion, and other chemistries. They can adjust the charging parameters accordingly to ensure optimal charging for each battery type. 
• Battery monitoring and protection: These controllers typically include battery monitoring features, such as voltage, current, and temperature monitoring, to prevent overcharging, over-discharging, or excessive temperature build-up, which can damage the batteries.
• Load control: Some dual battery solar controllers offer built-in load control capabilities, allowing you to manage and prioritize electrical loads connected to each battery bank.
• User-friendly interface: Many modern dual battery solar controllers come with digital displays or LED indicators, providing real-time information about the system's status, charge levels, and any fault conditions.
• Versatility: Dual battery solar controllers can be used in various applications, including recreational vehicles (RVs), boats, off-grid cabins, commercial vehicles, and backup power systems, where separate battery banks are required for different purposes. When choosing a dual battery solar controller, it's important to consider factors such as the total solar array size, battery capacities, charging profiles required for the battery types, and any additional features or functionalities needed for your specific application. If you need any assistants choosing a suitable controller please give us a call.

MPPT (Maximum Power Point Tracking). - MPPT charge controllers are more advanced and efficient, improving energy harvest by up to 30% compared to standard controllers.