Batteries aren't one-size-fits-all, and neither is the way they're wired to your house. Here's what you should know about AC- and DC-coupling. When we think about solar panels and batteries, we don't ...

The easiest way of making a solar fan is to connect the solar PV panel to a DC fan of a matching voltage and power rating. This simple arrangement does work, but has few serious drawbacks: The system ...

Lunar System — from Tesla’s former head of energy — is a solar energy backup system with modular battery units that can power your whole home. It might even make you some money... eventually. is a ...

Many homeowners are surprised to learn that most solar systems stop working during an outage — even on sunny days. That’s why many people add a backup generator (or solar batteries) to make sure their ...

Battery backup will keep your off-grid or grid-tied home powered up when the grid goes down. Grid-tied vs. off-grid solar: decide whether a grid-tied solar system with battery backup or an off-grid ...