1. Free return of used batteries Batteries must not be disposed of with household waste. You are legally obliged to return old batteries so that proper disposal can be guaranteed. You can hand in used batteries at a municipal collection point or at a local retailer. As a distributor of batteries, we are also obliged to take back used batteries, whereby our take-back obligation is limited to used batteries of the type that we carry or have carried as new batteries in our range. You can therefore either return used batteries of the aforementioned type to us with sufficient postage or return them free of charge to our dispatch warehouse at the following address: ArteDhio GmbH, Geb. 222, Brunhamstrasse 21, 81249 Munich 2. Meaning of the battery symbols Batteries are marked with the symbol of.