Shipping takes place for economic and environmental reasons without any additional outer packaging, which means that a lot of packaging material can be saved, which otherwise ends up in the trash. If you would like a conversion, please ask for a short message. For the same reasons, we do not investigate the program. You are welcome to receive an invoice by email on request. You do not need an invoice for warranty processing. Batteries must not be disposed of by household waste. They are legally obliged to return old batteries so that professional disposal can be guaranteed. You can hand over old batteries at a municipal collection point or on site. We are also obliged to withdraw old batteries as distributors of batteries, whereby our withdrawal obligation is limited to old batteries of th.