third-dimensional, three-d. Other synonyms: abstract, accessible, aesthetic, angular, apparent, artistic, asymmetrical,
If the battery is disposable, it will produce electricity until it runs out of reactants (same chemical potential on both electrodes). These batteries only work in one direction, transforming chemical energy to electrical energy. But in other types of batteries, the reaction can be reversed.
The Motorola Droid RAZR and RAZR MAXX battery is removable although it takes a little effort the first time you need to remove it. Since Android tends to require a battery pull occasionally especially with the dev community and when modifying devices we have to wonder why Motorola made it so difficult.