After putting in hundreds of hours of research and testing, we’ve found that the Belkin Boost Charge Plus 10K is the best power bank to charge a phone ... a typical credit card (3.6 inches ...

including a power bank with a huge capacity and built-in cables and a charger designed to keep your cables in place, both of which feature helpful displays. The Anker 25K Power Bank is a 25,000mAh ...