In connection with the sale of batteries or with the delivery of devices that contain batteries, the provider is obliged to point out the following to the customer: The customer is legally obliged to return used batteries as the end user. He can return old batteries, which the supplier carries or has carried in the range as new batteries, free of charge to the supplier's dispatch warehouse (shipping address). The symbols shown on the batteries have the following meanings: The symbol of the crossed-out wheeled bin means that the battery must not be thrown into the household waste.
Pb = battery contains more than 0.004 mass percent lead
Cd = battery contains more than 0.002 percent by mass of cadmium
Hg = battery contains more than 0.0005 mass percent mercury.