While we appreciate a DIY MPPT controller and like [Tim]’s build, we feel like the documentation needs a bit of fleshing out. With solar installations, the devil is in the details, and not ...

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 findings were introduced in the paper “A novel on design and implementation of hybrid MPPT controllers for solar PV systems under various partial shading conditions,” published in ...

MPPT controllers are priced ... by the likes of Goal Zero, Renogy and others who have vastly simplified users’ lives by packaging everything but the solar panel into one feature-rich box.