Replaceable 25.2 V lithium-ion battery, battery change with just one click, battery runtime: up to 35 minutes, battery charging time: approx. 2-3 h. The lithium-ion battery has a battery runtime of up to 30 minutes and a range of approx. 200 m². If you need more, you can simply insert the spare battery with one click and continue vacuuming without waiting for the charging times.