Experience enhanced performance, usability, and reliability with the advanced Sotion QF Controller for Sur-Ron Light Bee. Its cutting-edge features include algorithm for anti-slip functionality, maximum speed limitation, electronic braking, and energy recovery. You can easily adjust and monitor parameters through a PC or mobile app, while comprehensive protection ensures safe riding. Customize functions like BOOST, side brace power-off, bucket lock, P gear, and cruise mode for your preferred settings. The controller also tracks essential data like working hours, mileage, average speed, and energy consumption. Easily back up and restore parameters on your mobile device or PC. Featuring adjustable electronic brake force and gear-switching modes, this versatile controller meets all your needs with ease. To achieve optimal performance, pair this controller with our Sur-Ron batteries. Speciffications: Input Voltage: QF721000: 48 - 72 V QF961000: 48 - 96 V Peak Line Current: 500 A Peak Phase Current: 1000 A Temperature Range. -40°F - 175°F Sensor input type: Hall Cooling: Air Weight: QF721000: 5 lbs QF961000: 6.6 lbs Notes: Professional installation is highly required! If the installing bike shop requires assistance with installation or controller tuning, please contact our technical support team at [email protected] and include the shop’s details. We highly recommend having this Controller installed by a professional shop. Connections might need to be adjusted in order to connect all accessories on your bike, including throttle, brake levers, motor, etc. Warranty is valid only if installed by a professional e-bike shop, with a proof of receipt, installation photos, and tuning screenshots (time and date stamped). Warranty does not cover if wire Connectors are chopped, Controller scratched, damaged, or physically broken Controllers. Claims must be sent to Powerful Lithium for inspection; replacements are issued only if the Controller is non-repairable. Shipping damage must be reported within 24 hours with photo and video evidence. To ensure our customers receive the best, we thoroughly test each controller before shipping it out. Lead Time: 7 - 17 business days
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