Batteries have to be collected and recycled. Simply collect your empty batteries and dispose of them in a legally compliant way. You can send them back to us by mail:
Iris Strassacker Batterieentsorgung Albert-Schweitzer-Str. 34 76139 Karlsruhe Germany
The symbol (crossed out garbage can with black bar) should signal that the so marked parts must not belong in the house garbage.
If the battery or accumulator contains more than the specified values of cadmium (Cd) lead (Pb) or mercury (Hg) the chemical symbols for them (Pb, Hg, Cd) will appear below the crossed out wheeled dust bin symbol