Crane AU5-cdAT-2A Manual Del Usuario página 53

Technical data 53
USA
Batteries and storage batteries may not be disposed of with household waste!
As the end user you are required by law to bring all batteries and storage batteries,
regardless whether they contain harmful substances* or not, to a collection point run
by the communal authority or borough or to a retailer, so that they can be disposed of
in an environmentally friendly manner. Turn in the battery at your collection point in a
discharged state only.
* labeled with: Cd = cadmium, Hg = mercury, Pb = lead