40A MPPT Solar Charge Controller, App Control,12V/24V for Off-Grid | 99% Tracking Efficiency, Max 100V PV Input, LCD Display,FLD & LiFePO4 Support for RVs,Boats,Cabins,House & Solar Panels.

Dual USB Outputs & Remote App ControlThis 40-amp MPPT solar charge controller features remote app control by wifi, allowing you to monitor your solar power generation in real time and adjust settings accordingly. This solar charge controller features two 5V/3A USB ports for charging phones and devices effortlessly. Load control and capacitor surge protection are included, with a rated discharge current is 20A, allowing direct connection of DC appliances (fans, lights, etc. ) to the load terminals. It can handle transient capacitor surges (water pumps, motors) and provides a timing function to improve energy efficiency.

Ideal for RVs, boats, cabins, house, and off-grid solar panels.
LCD With Timer Control The clear, adjustable LCD display of solar charge controller gives you a real-time snapshot of solar input, battery level, battery output, and other battery operating information, custom parameters, error codes, and user modes. If you want the lights to automatically turn on at dusk and off at dawn, or to stay on for several hours, you can easily automate the system by setting light control or light + time control via the remote app or buttons, maximizing convenience and energy efficiency.
7-in-1 Protection, Worry-Free OperationComprehensive safety protection ensures your peace of mind. This UL, CE, FCC, and RoHS certificated MPPT renewable energy controller provides reverse polarity, battery overcharging, battery over-discharging, overload, short-circuiting, overheating, and reverse currentand, over-temperature protection, as well as TVS surge protection. The solar controller is also equipped with an smart temperature-controlled fan that can effectively dissipate heat under high loads, ensuring long-term reliability.
Perfect For RV, Boat & Off-Grid Solar SystemsThis 40a mppt solar panel charge controller is the ideal for RVs, campers, trailers, boats, cabins, farms, sheds, tiny homes, and other off-grid solar applications. Dual USB charging ports provide convenient power for phones, tablets, GPS units, cameras, and other USB devices. Compact, durable, and reliable, this solar controller helps maximize solar energy utilization wherever your adventures take you.
1 Functional Feature Detail
2 Smart Solar Control
3 Safety Protections
4 Application Scope
Overview of MPPT Technology - Utilized in solar panels, wind turbines, fuel cells, and other power generation devices. - Enhances output efficiency by maintaining the maximum power point through algorithms and circuit design.
MPPT Algorithms - Includes Open Circuit Voltage (OCV) algorithm, Short Circuit Current (SC) algorithm, Hill Climbing algorithm, and Perturbation & Observation (P&O) method. - Different methods are used to track the maximum power point for optimal light-to-electricity conversion efficiency.
Role of MPPT Controller - Coordinates the operation of solar panels, batteries, and loads within a Photovoltaic (PV) system, serving as the system's "brain". - The industry recognizes the importance of multiple MPPT channels for inverters; hence, multi-MPPT string inverters have gained widespread acceptance.
Solar Controller Quick Setup
1. Connect Battery
Only connect wires to BAT+ and BAT- terminals. Screen should light up, showing battery voltage.
2. Set Battery Type (Do this now)
Press SET to enter menu. - Select battery type (USE/FLD/GEL/SLD/LI). Use UP/DOWN to choose, press SET to save.
3. Connect Solar Panel
Connect wires to PV+ and PV- terminals.
Controller will detect voltage and start charging.
4. Connect Load (If needed)
After setup, connect devices to LOAD+ and LOAD-.
5.
Final Check: Display should show solar charging in progress!