A battery monitor is like a gas gauge, showing you how much electrical power is left (known as state of charge) as well as other vital signs. Today adding a monitor to a boat battery is easier than ...

With a 2024 CNET survey finding that 78% of US adults are concerned about rising home energy costs, it's no surprise that homeowners are looking to save money. One way to do that is to get your home ...

Slowly, but surely, the world is moving away from traditional fossil fuels and transitioning into a renewable, battery-powered future. It's not a fast or pleasant transition, but it is an important ...

Whole-home backup lets a battery power your entire house during a blackout, not just essentials, keeping major appliances ...

There’s a lot to consider when buying an electric vehicle: Which models are best? How much range is enough? How does charging work? Along with these variables, maintenance costs are another facet of ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...