Our evaluation included extensive discharge tests to find long-lasting alkaline batteries -- including AA, AAA, C, D and 9-volt options. We also considered the cost per battery for each option to ...

Stuffcool makes dozens of power banks, and the 20,000mAh Giga is its best yet. This 65W power bank is significantly smaller ...

This hand-crank weather radio comes equipped with seven pre-programmed NOAA weather stations so you can remain up-to-date on ...

The start of the new year is the perfect time to double check your home's smoke alarms to be sure they're properly installed ...

After years of delay and hundreds of avoidable deaths, all cars sold from the 2018 model year onward in the US and Can ...

Omron has designed a relay that can interrupt 200A at 500V, aiming to displace contactors from dc electric vehicle chargers, ...

The GameSir X3 Pro controller brings PC-like performance to mobile gaming, with some innovative features and a few catches.

Start Dead Batteries - Safely jump start a dead battery in seconds with this compact, yet powerful, 2000-amp lithium battery jump starter - up to 40 jump starts on a single charge - and rated for ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Since we often rely on our mobile devices to shop, communicate, travel, and more, it's paramount to keep our phones' batteries charged. However, most of us can't stay tethered to a wall outlet.

Put a set of our Best Buy AA disposable batteries in your most power-hungry devices and they'll last more than three hours longer than the worst. For AAA batteries, our Best Buys last an hour and a ...

All the classic features are well implemented. Travelwey Home's alarm clock also features a backup battery if you lose power at night. The digital alarm clock industry has changed a lot.