Solar energy integration in vehicles is no longer a concept — it's a production reality. From roof-mounted panels on delivery vans to solar-assisted charging on passenger EVs, the demand for automotive-grade solar charge controllers is growing rapidly.
MPPT vs. PWM Controllers
MPPT (Maximum Power Point Tracking) controllers extract 15–30% more energy than PWM types by continuously optimizing the operating voltage of the solar panel. For automotive applications where panel area is limited, MPPT is the clear choice.
Key Specifications
- Input voltage: 18–100 V DC (compatible with multi-panel strings)
- Charge current: 10–60 A depending on system size
- Battery chemistry: LiFePO4, Li-NMC, Lead-Acid with selectable profiles
- Communication: CAN bus, RS485/Modbus for fleet monitoring integration
- Protection: Reverse polarity, over-temperature, short-circuit, anti-islanding
Use Cases
Refrigerated transport trailers use roof-mounted solar panels to power auxiliary cooling compressors, reducing diesel generator runtime by up to 40%. Electric vehicle manufacturers integrate thin-film solar cells into the roof to provide 2–5 km of daily range extension.
LAIDNA Renewable Energy Products
We supply MPPT solar charge controllers rated from 10 A to 60 A, LiFePO4 battery modules, DC-DC converters (12 V/24 V/48 V), and complete solar kits for fleet and RV applications.