We tested and found each UPS below to deliver precisely what we needed out of what should be an otherwise unremarkable-looking black box ... battery power. How it delivers that battery power to ...

Normally priced at $50, the Kapurui Solar Power Bank is now available at Amazon for just $30 — a 40% discount that saves you ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

Press Windows key + R to open the Run dialog box, type cmd ... the system is connected to a power source or is running on battery. Also: The best Windows laptop you can buy: Dell, Samsung ...

Your laptop may have even come out of the box configured with some of my suggestions ... head to System > Power & battery and under "Power" you can choose from a few basic power modes.

Use the “Power mode” box to select “Best power efficiency ... power mode is the best choice for maximum battery life. Your laptop’s display is one of the biggest energy hogs on your ...

with drop-down boxes for both plugged-in and on-battery settings—allowing you to choose from options like Best Performance, Balanced or Best Power Efficiency (via Bleeping Computer) for each.

Load up the Settings screen from the Start menu, then choose System and Power & Battery. If you click Battery Usage, you'll see how your laptop battery ... or use the search box just above the ...

The phrase “you’re doing it wrong” can apply to just about anything. For me, it’s cooking an egg soufflé (too much mixing), cross-country skiing (not enough glide), and—worst of all ...

We’ve rounded up the best portable laptop power banks with battery capacities high enough to recharge a fading Apple MacBook if you won’t be able to plug it into an electrical outlet for some ...