A CNET survey confirms that 78% of US adults are concerned about rising home energy costs. So, it's no surprise that many homeowners are embracing a DIY approach to renovations, from upgrading ...

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 ...

Tesla isn't the only one building batteries for your home. As Elon Musk and company trumpet the Powerwall, so many other outfits, including Samsung and Panasonic and LG Chem, are fashioning similar ...

F mornings can drain your car battery fast. A smart battery maintainer keeps it topped up, prevents no-starts, and dodges the ...

The complementary metal-oxide semiconductor, or CMOS, stores the system date and time as well as other settings on your Gateway laptop. The CMOS is powered by a small battery. If this battery runs low ...