m_buehlmann5 years ago000Does this clock radio also work ONLY on battery power? Or do you have to connect it to 220V?Show in original language (German)Harleymaesi5 years ago • purchased this product-101purchased this product Helpful answerThe clock radio must be connected to the power supply. The battery is only used as a back-up in case of power failure...Show in original language (German)Comment1 comment