Upgrade your bike with the efficient and advanced 72V FarDriver Controller for brushless DC motors. This Controller offers a comprehensive range of built-in safety features including locked-rotor protection, over-current protection, overload protection, over-temperature protection, speed protection, over-voltage protection, and under-voltage protection. These features are designed to ensure the safety and smooth operation of both the electronic control system and the vehicle. In addition, the controller has a variety of peripheral interfaces for functions such as reverse, cruise, anti-theft, and electronic brake. The maintenance and programming tasks can be effortlessly completed through dedicated apps available for mobile devices. For maximum performance, combine this controller with Powerful Lithium Batteries! Pick between the 72450 or 72680 models based on your peak phase current preference. Customize your configuration with discounted options for a Controller Cable, Display, or Throttle by selecting from the options below. If you're considering upgrading your Super 73 RX with the 72450 or 72680, don't hesitate to add on the Stainless Steel Enclosure for just $95. Speciffications: Input Voltage: 48 - 72 V Peak Line Current: 72450: 200 A 72680: 350 A Peak Phase Current: 72450: 450 A 72680: 680 A Connectivity: Bluetooth ready (integrated or dongle) Notes: Professional installation is highly recommended! If the installing bike shop requires assistance with installation or controller tuning, please contact our technical support team at info@powerfullithium.com and include the shop’s details. To ensure our customers receive the best, we thoroughly test each controller before shipping it out. Lead Time: 7 - 17 days