A big home backup battery costs thousands of dollars -- and thousands more to install. A new entrant in the space seeks to bring a smart-home approach without requiring the upfront electrical work of ...

replace the battery, and start it back up. Otherwise, reset the SMC (System Management Controller). Why does my laptop shut off when I unplug the charger? If your laptop only receives power when ...

Separately, if you have a time-of-use utility plan, you can use a battery backup system to save money on your electricity bill. Instead of paying high electricity rates during peak use hours ...

Chinese tech giant Lenovo's new laptop has solar panels built into the casing – allowing the battery to fill back up when you're outdoors. In fact, Lenovo reckons that you'll get an hour of ...