These battery cases boast a 7,500mAh battery, which isn’t the highest capacity, but is pretty impressive for such a small, built-in power bank. And, while you can get more juice out of a heftier ...
'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 ...
Find out more about how we test. The Anker 621 Magnetic Battery is one of the simpler wireless power banks that Anker makes. It offers a 5,000mAh capacity and up to 12W of total power output.