The problem with extended battery packs is not the time it takes to charge up your phone, but the time they take to charge themselves. The Pronto is a Kickstarter project that aims to solve that issue ...

The battery becomes empty in 1 or 2 days Although it is a large-capacity mobile battery that is useful when carrying a smartphone or tablet, as the battery capacity increases, the charging time ...

The gadgets that fuel our lives are largely mobile and battery-powered, and as a result external batteries are a necessary accessory for many, keeping your phone or tablet alive while you're traveling ...