The second replacement battery doubles the machine operating time. The quick charger included as part of the standard equipment reduces the charging time of the replacement battery from 3 hours to 90 minutes. The replacement batteries allow non-stop cleaning. The EB 30/1 Professional Li-ion is switched on and off by a foot switch. This flat machine (90mm) reaches under radiators and low furniture and can pick up loose dirt up to 2mm from the edges. The telescopic handle can be adjusted to the height of the operator and moved in all directions thanks to the universal joint. It can be locked in an upright position when not in use. Since the EB 30/1 Professional Li-ion is cordless, it is ready to use in next to no time. The electric brush can be used on carpets for about 60 minutes and hard floors for 80 minutes before the powerful lithium-ion battery needs to be recharged or replaced.werful lithium-ion battery needs to be recharged or replaced.