Universal external controller 24V-36V-48V, 2500Wt universal, programmable (voltage programmable) Universal, programmable, external controller with power up to 2500 watts. Suitable for motor wheels and any BLDC (brushless brushless) motors with or without Hall sensors. Programmable using a USB cable (sold separately, not included). It is possible to adjust the speed with a potentiometer instead of a throttle. Constant current: up to 50A. Peak current: up to 100A. Main advantages: 1. Dual sensor control mode and without sensor; 2. Programmable voltage 24/36 / 48V; 3. Programmable power 250/500/750/1000/1500/2000/2500 W; 4. Programmable phase shift 60/120 degrees; 5. Regenerative inhibition; 6. Cruise control (constant speed) 7. Reverse possible (Forward / Backward)