Unless your main workstation is a laptop, you’ve probably got a APC or similar battery backup kicking around. But have you ever thought of modifying it to make it a bit more useful? After all ...

The UPS still needs to have a case ... which can automatically patch between incoming line voltage, and the battery backup. He already had one of these switches in place for use with a generator ...

Yet storms often down power lines or disable transformers. A sump pump battery backup system consists of a sump pump, a 12-volt marine battery and electrical and plumbing accessories. The system ...

Now, you may have heard that a sump pump battery backup is a worthy redundancy to install to prevent these nightmarish ...

It's used for back pain and for pain associated with conditions such as osteoarthritis and fibromyalgia. TENS is typically done with a TENS unit, a small battery-operated device. Some TENS devices ...

and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery overall, overtaking the Tesla Powerwall. The EP900 system earned high marks for its power, warranty, modular ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

It has a built-in plug that folds up for easy storage, and colorful lights that clearly indicate when each battery is dead (red ... USB or USB-C port on the back of the unit, and it comes ...

I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games on my computer for as long as I can remember, which eventually (as it does for many) led me ...

Back pain often happens because something is off in the way your spinal joints, muscles, discs, and nerves fit together and move. Nighttime back pain is a special type of lower back pain that ...

The Baghdad Battery is believed to be about 2000 years old (from the Parthian period, roughly 250 BCE to CE 250). The jar was found in Khujut Rabu just outside Baghdad and is composed of a clay jar ...

Unlock to see our ratings and compare products side by side This score is based on the amount of water that can be lifted 10 feet starting with a fully charged battery. This backup sump pump ...