Many vehicles keep accessories powered for a short time after shutdown, then cut power. That detail decides whether USB gadgets might drain your battery.

You might have wondered if you can leave your laptop plugged in overnight. In this guide, we answer several questions related to your laptop’s battery and its charging. Laptops give us the convenience ...

I have an iPhone 4S. Before that, an iPhone 4. I did the typical battery conditioning I always do with any new gadget: discharge to 0, then do a full charge. So while I was keeping a keen eye on ...

It's easy to understand the appeal of a plug-in hybrid vehicle. You get a decent amount of battery-only range, and you don't get the typical range anxiety one might get from a pure-electric vehicle.