Battery law notices 

In connection with the sale of batteries and rechargeable batteries or with the delivery of devices that contain batteries or rechargeable batteries, the seller is obliged to inform you of the following:

You are legally obliged to return used batteries as end users. You can return batteries after use to the seller or at the designated return points (e.g. at municipal collection points or in stores) free of charge. You can also send the batteries back to the seller by mail. In any case, the seller will refund the postage for the return of your old battery.

The symbols shown on the batteries have the following meaning:

The symbol of the crossed-out garbage can means that the battery must not be disposed of with household waste.
    Pb = battery contains more than 0.004% by mass of lead
    Cd = battery contains more than 0.002% by mass of cadmium
    Hg = battery contains more than 0.0005% by mass of mercury.