 Powered by EEStor, the cityZENN was to have been rechargeable in less than 5 minutes, feature operating costs 1/10 of a typical internal combustion engine vehicle and be 100% emission-free at the point of use.The cityZENN was being designed to meet the transportation requirements of a large percentage of drivers worldwide.Ian Clifford, CEO of ZENN Motor Company, also stated that a normal household outlet with 110 volt supply would fully charge the EEStor powered CityZENN in 4 hours, and a normal household outlet with 220 volt supply can fully charge the EEStor powered CityZENN in 2 hours.