Genasun 8A MPPT Step Up Solar Charge Controller for 48V Lithium Systems

The Genasun 8A MPPT Voltage Boost Solar Charge Controller is engineered to overcome a common off-grid energy challenge. Standard solar charge controllers require the solar panel voltage to be higher than the battery voltage. In contrast, this advanced step up solar charge controller pumps electricity uphill. It allows you to take a standard lower-voltage solar panel, such as a nominal 12V module, and boost the voltage to efficiently charge a 48V lithium battery bank.

By utilising a single, larger 12V or 24V solar panel rather than wiring multiple smaller panels in series, you can significantly streamline your installation and reduce system complexity. This makes it an ideal solution for golf carts, electric boats, remote off-grid monitoring stations, and custom mobile applications requiring a compact 48V power source.

High-Speed 15Hz MPPT Tracking

Not all Maximum Power Point Tracking technology operates at the same level. Many standard controllers rely on a sweep and sleep method, scanning the voltage range only once every 30 to 60 seconds. While acceptable for stationary setups under clear skies, this slow response is inadequate for moving vehicles or environments with rapidly shifting cloud cover.

Genasun controllers adapt to changing light conditions 15 times every second (15Hz). This continuous, high-speed tracking ensures the controller is always on target, capturing every available fraction of sunshine. With a tracking efficiency exceeding 99 percent, it outperforms conventional controllers in dynamic environments, ensuring your 48V lithium battery receives optimal charging current throughout the day.

Optimised for 56.8V Lithium Batteries

Proper charging is critical for the lifespan and performance of lithium chemistry batteries. This specific model is factory-configured with a 56.8V constant voltage charge profile, making it perfectly matched for 16S LiFePO4 (Lithium Iron Phosphate) battery banks. The precision computer-controlled circuitry ensures your lithium battery pack is charged safely and completely, maximising both capacity and long-term cycle life. With a low minimum input voltage of just 5V, the controller starts capturing power earlier in the morning and continues later into the evening compared to standard alternatives.

Mission-Critical Reliability

Manufactured in the USA, Genasun controllers are trusted in some of the most extreme environments on the planet. From harsh marine deployments enduring years of salt air, to freezing Antarctic research stations and even high-altitude solar powered aircraft, these units are built to perform without failure. The completely fanless design eliminates moving parts, resulting in silent operation and removing a common point of mechanical failure. Furthermore, with an ultra-low self-consumption of just 5mA at night, it preserves your valuable battery energy when the sun goes down.

Key System Features

• Voltage Boost Technology: Efficiently steps up lower panel voltages to charge a 48V (56.8V CV) lithium battery pack.
• Rapid MPPT Tracking: 15Hz tracking speed ensures maximum power harvesting during variable cloud cover and mobile use.
• Ultra-Low Power Consumption: Consumes only 5mA at night, protecting your battery from unnecessary drain.
• Silent Fanless Design: Solid-state thermal management ensures quiet, reliable operation without moving parts.
• Early Start-Up: Begins charging with a minimum panel input voltage of just 5V.
• Exceptional Efficiency: Delivers 96 to 99 percent typical electrical efficiency for maximum energy transfer.

Power Your Next Remote Project

Upgrade your 48V off-grid power system with a controller designed for uncompromising performance. Add the Genasun 8A MPPT Step Up Solar Charge Controller to your cart today and ensure your lithium battery bank remains fully charged, no matter where your applications take you.