Notes on battery disposal In connection with the sale of batteries or with the delivery of devices that contain batteries, the provider is obliged to inform the customer of the following: The customer is legally obliged to return used batteries as the end user. He can return used batteries, which the supplier carries or has carried in the range as new batteries, free of charge to the shipping warehouse (shipping address) of the supplier. The symbols shown on the batteries have the following meanings: The symbol of the crossed-out garbage can 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 mass percent cadmium Hg = battery contains more than 0.0005 mass percent mercury.