U-Stone’s basic pitch is that it’s capable of recharging anything from a full-sized tablet down to a pocket device, and the 12,000mAh capacity is certainly more up to the task than smaller rivals. In our testing with a full-sized fourth-generation iPad, U-Stone managed to bring the tablet from 0% to 72% power, which is nearly identical to the 71% result we recently saw from New Trent’s 12,000mAh iCarrier. Lepow says that U-Stone…
