Throttle:  QS-S4 LCD Trigger Finger Throttle (Colour LCD)

Upgrade your electric scooter’s performance with the QS-S4 LCD Trigger Finger Throttle, an essential upgrade or replacement throttle for enhanced control and functionality. This premium throttle is compatible with a wide range of electric scooters, including:

• Bexly: 8, 9, 10, 10X
• Zero Scooters: 8, 8X, 9, 10, 10X
• Grace Series: 8, 9, 10
• Vsett: 8, 8+, 10, 10+
• Apollo: City, Explore, Ghost, Light, Pro
• Kaabo: Mantis Pro
• Varla: Eagle 1
• Bolzzen: Gladiator, Dynamo
• EVOLV Models (Tour 2.0, Tour XL, Pro, and Light)
• Dragon: Raptor, Hunter X10, X9 
• eGlide: MACH 10/10R,
• Carbon Oxy
• T8/T9/T10 DDM and VDM-10 series
  

Key Features:

• Voltage Compatibility: Adjustable between 48V - 60V (P3 setting).
• Ergonomic Trigger Design: Perfect for precise speed control and smooth acceleration.
• Universal USB Port: Supplies 5V with 500 mA to 1000 mA output—intended for flashing the unit but also capable of light USB accessory charging.
• Durable 6-Pin Round Waterproof Connector: Ensures secure connectivity, preventing water damage.
• User-Friendly Display: Bright, easy-to-read LCD screen with power mode buttons for quick adjustments on the go.

Why Choose the QS-S4 Throttle?
Designed for performance and ease of use, the QS-S4 throttle offers advanced control over your scooter’s settings and speed, making it perfect for urban commuters and recreational riders alike. With its compatibility across multiple brands and models, this throttle brings out the best in your electric scooter.

Order Now for Easy Installation and a Smoother Ride!
Replace or upgrade your scooter’s throttle with the QS-S4 LCD Trigger Finger Throttle. Enhance your riding experience with the confidence of better control and reliability on the road.

Note:

• This product is intended for electric scooters only.
• USB charging capability is not recommended for high-drain devices to avoid damage to the unit.
• Ships with a 6-pin male waterproof connector for easy installation.

Order yours today and experience smoother acceleration with the QS-S4 Trigger Throttle—the smart upgrade for electric scooter enthusiasts!

How to Access Settings on the QS-S4 Throttle

1. Power on your scooter.
2. Hold the Mode + Power buttons (3-5 seconds) to access the P-setting menu.
3. Use the Mode button to toggle through P-settings.
4. Press the Power button to select the P-setting to adjust.
5. Press Mode button to increase the value, and Power button to decrease the value.
6. To save settings, allow the LCD to timeout (3-5 seconds) or long press Mode + Power buttons to exit the menu.

P-Settings

• P1: LCD Brightness: Set to 3 for brightest. The drain on the battery is minimal.
• P2: Mileage display in Miles or Kilometers
• P3: Voltage: 48(V) - 52(V) - 60(V)
• P4: Dormancy time: The amount of time before the scooter will go to sleep/power off.
• P5: Unused
• P6: Wheel diameter in inches
• P7: # of magnets:
• P8: Power Level (%): Control the amount (%) of power/top speed.
• P9: Zero start: Push/Kick Start or Zero start; Set to 0 for zero start, set to 1 for kick-start.
• P10: unused.
• P11: Electronic Braking level. 1-5.
• P12: Acceleration/Torque: 1 is soft start; 5 is high torque. 
• P13 - 14: unused
  
• P15: Controller cutoff voltage
• P16: Zero-ing of the Odometer
• P17: Cruise control: set to 0 for OFF (beginners). Set to 1 for ON (advanced riders only). When Cruise control is switched on, it will automatically start when the rider maintains a constant speed for 5 seconds. Cruise Control is will turn off when the brake or throttle is activated. Cruise control can be dangerous if you are not an experienced rider.
• P18 – P20: unused

QS-S4 Error Codes

When the LCD controller detects an error, you’ll get the triangle and exclamation mark symbol, and it will display the fault code just above the battery life display.