There are a lot of smartphone juice packs and similar accessories out there, but the Sanyo Eneloop Mobile Booster actually manages to to be a little different.
Given how many devices can be charged using this device, obviously the extra juice time is going to vary by gadget. However, the Mobile Booster can stand in an external battery for auxiliary power when the built-in battery of your device is depleted.
The Sanyo Mobile Booster is available now and is priced at $79.99.