For on-the-go smartphone and tablet charging, look no further than this Credit Card Power Bank from Gentlemen's Hardware. This portable mAh 2500 capacity Credit Card Power Bank includes everything you need to keep your gadgets charged when you're out and about, and its pocket size make its extremely practical to have on you at all times for when you need a power boost. It comes with a Micro USB cable and can provide up to 1 1/2 charges for both Android and iPhone devices, perfect for the tech loving gent.