Free Article of the Week! USB Pseudo Battery
In one respect all batteries are identical: sooner or later they die on you! Even rechargeable types are not immune from this problem, as they always need charging again. This makes indoor use inconvenient of devices designed only for portable use, with no provision for connecting an AC adapter. All the same, wherever you find electronic gadgets, a solution is not far away. A pseudo-battery with a USB connection provides permanent power.