We haven't seen anything quite like this in years: Essential TPE's new Verbin ($TBD) is an iPhone 4 battery pack with its own charging dock, using a special four-pin connector to enable the iPhone to stand upright on a flat surface and face you while refueling -- something that other battery cases can't do. TPE bundles a hard plastic base with a matching two-piece case, coating each in soft touch rubber. Inside the case is a 2000mAh polymer battery…
