I need this type batteries, they are just as thick as AAA batteries but only 3 cm long, for the operation of a bicycle taillight brand SIGMA. Due to the compact design of this rear light fit any other battery, whoever wants one thing, say a small lamp, which must take the other. In this case, it is the higher price of a two-pack. My purchase price was just under six feet, however, paired with free shipping. For this price there at AAA batteries quite 4 pieces and more. The dispatch from Leipzig online shipping was extremely fast, with little packaging waste and as mentioned free shipping. The batteries were easily removed from the package and now do their work in the lamp. I'm curious how long they do it for. The predecessor of Panasonic held a quite a while, however, are also deulich expensive ...
Supplement May 2013: So, in almost daily use they are still empty and I still measured 1.49 volts to charge. However, the batteries also drive only 4 LEDs ...