MPPT Charge Controllers
An MPPT charge controller pulls maximum power from your boat’s solar array. New Stream units deliver 99.4% MPP tracking for 87.6V marine battery banks on electric propulsion systems.
Choose Amperage for Your Array
Select the 40A, 80A or 120A MPPT charge controller that matches your panel capacity and review the specifications.
40A MPPT Charge Controller
The MPPT charge controller enables electric boat battery banks to be charged via solar panels. In systems with a 87.6V battery bank, it allows charging and can be configured according to electric boat voltage parameters. With Maximum Power Point Tracking, it transfers nearly all the power generated by the solar panels to the load and batteries.
Featuring a multi-phase synchronous rectification DC-DC converter design, it achieves a peak efficiency of 96.5% and operates with an advanced multi-point maximum power point tracking algorithm with over 99.4% tracking efficiency.
- 87.6V Battery Charging
- 99.4% MPP Tracking Efficiency
- 96.5% Converter Efficiency
- 40A Charging Current
- 10A Load Output Current
- All Parameters Adjustable
- PV and Battery Reverse Connection Protection
- RS-485 Modbus Protocol
- Temperature-Based Power Derating
- Digital LED Display
80A MPPT Charge Controller
The MPPT charge controller enables electric boat battery banks to be charged via solar panels. In systems with a 87.6V battery bank, it allows charging and can be configured according to electric boat voltage parameters. It stands out by transferring nearly all the power generated by the solar panels to the load and batteries through Maximum Power Point Tracking.
Featuring a multi-phase synchronous rectification DC-DC converter design, it achieves a peak efficiency of 96.5% and operates with an advanced multi-point maximum power point tracking algorithm with over 99.4% tracking efficiency.
- 87.6V Battery Charging
- 99.4% MPP Tracking Efficiency
- 96.5% Converter Efficiency
- 80A Charging Current
- 20A Load Output Current
- All Parameters Adjustable
- PV and Battery Reverse Connection Protection
- RS-485 Modbus Protocol
- Temperature-Based Power Derating
- Digital LED Display
120A MPPT Charge Controller
The MPPT charge controller enables electric boat battery banks to be charged via solar panels. In systems with a 87.6V battery bank, it allows charging and can be configured according to electric boat voltage parameters. It stands out by transferring nearly all the power generated by the solar panels to the load and batteries through Maximum Power Point Tracking.
Featuring a multi-phase synchronous rectification DC-DC converter design, it achieves a peak efficiency of 96.5% and operates with an advanced multi-point maximum power point tracking algorithm with over 99.4% tracking efficiency.
- 87.6V Battery Charging
- 99.4% MPP Tracking Efficiency
- 96.5% Converter Efficiency
- 120A Charging Current
- 30A Load Output Current
- All Parameters Adjustable
- PV and Battery Reverse Connection Protection
- RS-485 Modbus Protocol
- Temperature-Based Power Derating
- Digital LED Display
Why Choose an MPPT Charge Controller?
An MPPT (Maximum Power Point Tracking) charge controller continuously monitors the voltage and current produced by solar panels, ensuring they operate at the maximum power point. This allows energy to be transferred to the battery in the most efficient way, even under changing conditions such as shading, temperature, or solar irradiance. Compared to traditional PWM controllers, it provides significantly higher efficiency, especially in low-light and cold conditions.
In electric boat and marine applications, the MPPT charge controller safely integrates solar panels with 87.6V battery systems. Thanks to RS-485 Modbus support, it can be integrated with battery management systems and control panels. The 40A, 80A, and 120A models adapt to different panel capacities and usage needs, allowing boat owners to select the appropriate amperage based on their daily energy requirements.
Nawis Marine MPPT charge controllers provide a reliable solar charging solution for electric propulsion systems with marine-grade design and high MPP tracking efficiency.
Size the Right MPPT Charge Controller
Tell us your panel wattage and battery bank — we’ll recommend the matching 40A, 80A or 120A MPPT charge controller for your New Stream system.