Every car needs a battery to help it start and power its electronics. Here's how many volts this all-important component ...

Parasitic drains can be extremely annoying, but they're not impossible to identify. Here are some ways to find a parasitic drain in your car.

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum ...

If your battery is dying on you, the cause might be what's known as parasitic drain. Here's what it is, how it happens, and what you can do to prevent it.

Jump starting a car with a dead battery is a fairly simple procedure, but make sure you check these things before attempting it on a modern vehicle.

You turn the key and nothing happens. The thermometer reads 10°F and your dashboard is dead black. Your battery is either ...

The MM67 is an auto-ranging True RMS Multimeter, ideal for troubleshooting electrical systems. It measures AC and DC voltages ...

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 ...

A Xiaomi SU7 owner in China offered a look at battery condition and overall reliability after 16 months of demanding real-world use ...

Experts weigh in after drivers share what went wrong, and what actually makes EV road trips work.

Your car's tire pressure monitoring system (TPMS) can fail, but you can still drive. Learn why sensors break and what to do when they stop working.

Phone battery life has always been important, but which brands consistently offer the longest battery life? After extensive testing, we've found the two leaders.