Technocel has just announced that they will be launching their latest USB charging product, the PowerPak DUO at MacWorld 2011 this weekend. The PowerPak DUO is a smart charger that is meant to charge your electronic devices anytime and anywhere – whether it is plugged into the wall or out with you on the road, the PowerPak DUO helps your devices to stay juiced. It provides up to 7.5 hours of extra talk time with its 2500mAh internal lithium ion battery, it can charge up to 2 devices at the same time and meets energy star requirements by drawing minimal power. It also comes with interchangeable tips that are compatible with 95% of all handheld USB devices. No prices have been announced yet, but expect to find out more this weekend.