Solar power projects ... off-the-shelf MPPT, or maximum power-point tracking, controllers are expensive. His solution was to build his own controller using a cheap DC-DC converter that just ...

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 ...

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 ...