Care to guess what a medical device vendor spends developing a batter
charger for their wireless device? How does $200,000 to $400,000 grab
you? No wonder there are so many crappy batter chargers on the market,
and why so many vendors would rather just let you fill up landfills
with all those alkaline and NiCd batteries you burn through. Here is a
nice elegant solution

[Hat tip: Gizmodo]