AS1-E Self Vacuum cleaner with integrated electric car charger Professional Mtm Hydro. The AS1-E self vacuum cleaner is the ideal solution in service areas, shopping centers, public car parks and common areas to combine the recharging of the electric car with a vacuuming and / or cleaning service of the vehicle interior. Depending on the needs of the system managers, it is possible to set and adjust both the operating time of the vacuum cleaner and the recharge.