arearadu512 years ago000Does this timer have a li-ion battery installed?... i need to take it on the plane in my luggage. It's not allowed in the luggage compartment with a battery. Thank you... Show in original language (German)Foxon7772 years ago • purchased this product000purchased this productNo, the timer is connected to the power supply and therefore does not need a battery.Show in original language (German)Comment