India, Jan. 23 -- We rely on our smartphones for almost everything today, calls, payments, navigation, work emails, and even entertainment. But despite better batteries and faster charging, one problem hasn't gone away: your phone still runs out of power when you need it most. Finding a charging point in a crowded cafe, railway station, or during a long commute isn't always possible. That's where a good power bank makes a real difference.

Not all power banks are built the same, though. Some are bulky and slow, while others promise big numbers on paper but fail in everyday use. The right power bank should be easy to carry, charge your phone quickly, and offer reliable backup throughout the day without overheating or frequent recharging. ...