A few years ago, [Lukas Fässler] needed a solar charge controller and made ... An MPPT (Maximum Point Power Tracking) charger is a smart unit optimized to handle all these changing conditions ...

and use a solar charger attachment that produces enough power to prevent the battery from ever fully draining. The battery power options for smart doorbells like those made by Ring is already the ...

Rooftop solar is just the start, as energy storage, smart electrical panels, and EV chargers enter the mainstream for solar owners. Here’s a guide to matching your solar array with some of the ...