A few years ago, [Lukas Fässler] needed a solar charge controller and made his own, which he has been improving ever since. The design is now mature, and the High Efficiency MPPT Solar Charger ...

The BougeRV 40A MPPT Solar Charge Controller features remote app control, LCD display, and multi-voltage compatibility. This charge controller provides efficient solar charging for various battery ...

The team expects they might be able to get even better performance from the cells with a good MPPT charger, which will be required for less than ideal solar conditions. Solar Dragon has a much ...