The AtoDBattery is a memory-foam encased Nickel HydroxideRechargeable. The battery provides you with the 1.5 volt power, equivalent of a AA battery. Because of the memory-foam casing, the battery can match any size battery from AAA to D. The batteries standard size is equal to that of a D battery, by squeezing it you can change the size from D to AAA.With this flexible battery you no longer have to buy different sizes of batteries any more.
Source: gizmag.comAdded: 1 October 2009