Apple's battery guide describes lithium-ion batteries as "consumable components" that naturally lose capacity over time. To slow that decline, iPhones use Optimized Battery Charging, which learns your ...

In terms of pure safety, there's no risk of an iPhone fire overnight – if you're careful. But there are several mistakes you need to avoid. Be very wary of using third-party cables or adapters. These ...

Unless there's something wrong with the charging equipment you use or the smartphone itself, it's totally safe to leave your iPhone or Android phone charging overnight. Sure, we've seen some accounts ...

Plugging your phone in before you head to bed might seem like second nature. That way by the time your alarms go off in the morning, your phone has a full charge and is ready to help you conquer your ...

Thousands, if not millions, of people charge their phones overnight without thinking twice, but fire safety experts have warned that doing so could be a fire hazard. According to Dorset & Wiltshire ...

Unplug at 100%, and keep the battery between 20% and 80%. Avoid draining to 0%; store unused tablets at 50%. Use certified chargers to prevent stress and overheating. As someone who uses a tablet ...

You don't have to think too hard about preserving your smartphone's battery — especially overnight. For years, the myth has persisted that plugging your smartphone in to charge while you sleep will ...

This column was first published in Slate in 2009. I always charge my phone, laptop, and MP3 player overnight—even though it only takes a few hours to get them fully charged. Should I be losing sleep ...

Unless there’s something wrong with the charging equipment you use or the smartphone itself, it’s totally safe to leave your iPhone or Android phone charging overnight. Sure, we’ve seen some accounts ...