City Smile 10M is a longer version of Smile 8.5. The bus is equipped with batteries with a total capacity of 210 kWh, which are mounted in the rear of the vehicle, just behind the rear axle and on the sides of the vehicle, under the passenger seats.
The drive system consists of a modified electric trolleybus system and a 120kW water cooled TAM asynchronous TAM motor. The unit has been placed behind the drive axle on the left. The independent heating system works on diesel oil and is used to heat the passenger cabin. The batteries used in the City Smile 10M have a capacity of 230 kWh and can be charged in two ways: standard charging 36A or fast charging 250A.