Controllers and Electronics
Electric scooter controllers may have marks and numbers like CT-301A9, CT-302S9, CT-803B3, CT816B9, CT811-B9, CT-611B9, MC-024D-166- Universal PC , Razor E-100, E100 . Make sure you select a controller that matches the scooter electric components.
Electric scooter speed controllers must be properly installed the first time. If the polarity of any of the connections is incorrect the speed controller may be damaged during installation. Because damage may occur from an incorrect installation, we do not accept returns or exchanges on speed controllers.