A car battery charger will make sure ... Overload, voltage protection, short circuit, and back current circuits are built in. The controller supports all 12V battery types, including wet, gel ...

Make dead batteries a thing of the past with these reliable and durable trickle chargers. When it comes to choosing a reliable and high-quality trickle charger, the options are vast and varied.

The chart is colored differently based on several factors, but what does ‘Slow Charger’ mean? The Battery Level chart is annotated in various ways depending on the current state of the device ...

With so many of us juggling multiple devices — smartphones, headphones, tablets, and even laptops — a portable charger has become ... or desperately rationing battery life on long-haul flights.

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Not all cars are meant to be driven every day. If you own a special vehicle, such as a classic or sports car, you probably keep it tucked away somewhere until you're in the mood to take it for a spin.

However, most of us can't stay tethered to a wall outlet. Thankfully, you don't have to. The battery market is packed with options that can boost your phone's battery life no matter where you are.

If your iPhone battery gets low, it's great to have a backup. Check out the best power banks, as tested by our CNET tech experts. Executive Editor David Carnoy has been a leading member of CNET's ...

And of course, almost everyone has left a dome light or the headlights on, or an accessory plugged into an always-on 12V power port ... you want your portable battery charger at 100%.