Testing your battery regularly will prevent a dead battery from ruining your day. There’s only one way to answer the question, “Is it my battery, or something else” when your car won’t start: Hook up ...

When your remote control stops working or your child's favorite toy no longer functions, you might wonder if the batteries are dead or the device is broken. Fortunately, there's a simple and effective ...

My “unicorn” Volvo V90 plug-in hybrid wagon is almost four years old. Here’s how healthy its high-voltage battery is.

Recently, a manufacturer of pouch-style batteries for EVs approached Spectro Physics to see if the company could help test ...

Among this year's top-performing Android phones, here's the model that lasted the longest in my endurance tests.

Or, more importantly, do you know “how” your batteries are — that is, what’s their condition and can they perform their function if called upon to do so? As with most things associated with the ...

A Tesla battery researcher showed updated test results pointing to batteries lasting over 15,000 cycles or the equivalent of over 2 million miles (3.5 million km) in an electric car. Last year, we ...