The Dualtron Ultra 2 Upgrade is different from the Ultra and Ultra 2 and Ultra 2 UP versions in regards to the new : headlight and horn, New EY4 Smart Display with Minimotors App Control by Bluetooth, a newly improved folding system and a new double folding clamp with increased contact surface between the folding clamp and steering column for improved stability when it's unfolded. A new kickstand design has been adopted just like the other 2023 scooters from Minimotors. Ultra 2 Upgrade comes with 6600 Watts Max Power Motors. It comes with 72V 40A Controllers which are housed in the rear footrest, combined into a single circuit board, leaving ample space in the battery compartment for a 72V 40Ah LG-M50LT-21700 Cell Type Battery Pack from LG. The Ultra 2 Upgrade comes in 2 battery versions : 72V 32AH CHINA and 72V 40AH LG.