If battery life is the most important feature in a security cam to you, these are the leading contenders for incredible results.

The “blackout” backup isn’t about surviving the apocalypse; it’s about making a Tuesday night power outage annoying rather than disastrous. The goal is a system that keeps your Wi-Fi on, your laptop ...

A faulty lithium-ion battery is a serious hazard and can catch fire. Here's what to do if the unthinkable happens - and some preventive measures.