1. Introduction
The King Song S19PRO Electric Unicycle is engineered for urban mobility and exploration, combining advanced safety systems with an intuitive design. This manual provides essential information for the safe and effective use, maintenance, and troubleshooting of your S19PRO Electric Unicycle.
Key Features:
- UL2272 Certified & All-Weather Safe: Equipped with 11 integrated safety shields, including fall-stop protection and overspeed alerts, ensuring stable and secure riding.
- Powerful Motor & Long Battery Life: Features a 6500W peak motor capable of handling 40° hills and reaching a top speed of 37 MPH. The high-capacity battery provides up to 93 miles on a single charge.
- Highly Portable: Designed for easy transport and storage, fitting effortlessly into car trunks and elevators.
- KINGSONG App Integration: Offers an intuitive beginner mode and tilt calibration to facilitate rapid skill acquisition.
- Enhanced Visibility & Riding Experience: Includes vibrant lighting for increased night safety and a built-in Bluetooth speaker for an engaging ride.
2. What's in the Box
- King Song S19PRO Electric Unicycle
- Charging Adapter
- User Manual (this document)
3. Setup
3.1 Initial Charging
Before the first use, fully charge your King Song S19PRO Electric Unicycle. Connect the provided charging adapter to the charging port on the unicycle and then to a standard power outlet. The charging indicator will show the charging status. Ensure the device is fully charged before attempting to ride.
3.2 App Installation
Download the official KINGSONG App from your smartphone's app store. The app allows for monitoring device status, customizing settings, and accessing learning modes. Follow the in-app instructions to pair your S19PRO with your device.
4. Operating Instructions
4.1 Basic Riding Techniques
The S19PRO is a self-balancing electric unicycle. Learning to ride requires practice and patience. Always wear appropriate safety gear, including a helmet, knee pads, and wrist guards.
- Mounting: Place one foot on a footrest, then push off with the other foot and quickly place it on the second footrest. Use the leg supports for initial balance.
- Accelerate: Gently lean your body forward to increase speed.
- Maintain Steady Speed: Keep your body upright and centered over the unicycle.
- Brake: Lean your body backward to slow down or stop. You can also gently clamp the unicycle with your legs for added control during braking.
This image illustrates basic riding techniques for the King Song S19PRO: Accelerate (lean forward), Keep Steady Speed (stand still and maintain center gravity), and Brake (lean back and clamp the unicycle).
4.2 Safety Features
Your S19PRO is equipped with multiple safety features to ensure a secure riding experience:
- UL2272 Certification: Meets rigorous electrical safety standards.
- Fall-Stop Protection: Automatically cuts power to the motor if a fall is detected.
- Overspeed Alerts: Provides audible and/or haptic warnings when approaching maximum speed.
- Tilt Protection (45°): Prevents operation beyond a safe tilt angle.
- Speed-Limiting Protection (30% Battery): Reduces maximum speed when battery level is low to conserve power and ensure a safe return.
- High-Temperature Protection (140°C): Safeguards internal components from overheating.
- IPX6 Powerful Spray-Proof: Offers protection against strong water jets, suitable for riding in various weather conditions.
- Hall Switch: Provides safe stable lift-up shutdown protection when the unicycle is lifted.
This image highlights the comprehensive safety features of the King Song S19PRO, including 45° tilt protection, 30% battery speed-limiting protection, 140°C high-temperature protection, and IPX6 powerful spray-proof rating.
4.3 KINGSONG App Functions
The KINGSONG App enhances your riding experience with various functionalities:
- Lock Status: Check if your unicycle is locked or unlocked.
- Remaining Mileage: View the estimated remaining range based on current battery levels.
- Auto Light On/Off: Control the unicycle's lighting system.
- Firmware Update: Receive and install the latest firmware updates for optimal performance and new features.
- Customized Features: Access various personalized settings and riding modes.
This image shows the dedicated KINGSONG App interface, which allows users to check trip details, monitor ride status, and access customized features such as lock status, remaining mileage, auto light on/off, and firmware updates.
5. Maintenance
5.1 General Care
- Regularly clean the exterior of the unicycle with a damp cloth. Avoid using harsh chemicals.
- Inspect the tire pressure before each ride and inflate to the recommended PSI.
- Check all bolts and fasteners periodically to ensure they are tight.
5.2 Battery Care
- Store the unicycle in a cool, dry place when not in use.
- Avoid completely draining the battery. Charge it regularly, even if not used frequently.
- Do not expose the battery to extreme temperatures.
Detailed view of the King Song S19PRO's battery system, showing two independent battery packs with LG cells. Specifications include 1776Wh battery capacity, 264.55LB max load capacity, 93.21-mile range, and 4 hours charging time (5A). A Smart Battery Management System is also indicated.
5.3 Suspension System
The S19PRO features an advanced full-suspension system for comfort and control. Periodically check the suspension components for any signs of wear or damage. The 3.54-inch preload adjustment allows for customization based on rider weight and preference. The 360° coverage dust-proof design helps protect the internal mechanisms.
A detailed view of the King Song S19PRO's ultra-comfortable full-suspension system, featuring an X-Type Suspension System, 3.54 inches of preload adjustment, racing-grade exclusive lever structure, and 360° coverage dust-proof design.
6. Troubleshooting
If you encounter issues with your King Song S19PRO, refer to the following common troubleshooting steps:
- Device not turning on: Ensure the battery is charged. Check the power button for proper function.
- Loss of power during ride: The battery might be low. Recharge the unicycle.
- Unusual noises: Stop riding immediately and inspect the wheel, motor, and suspension for any obstructions or damage.
- App connectivity issues: Ensure Bluetooth is enabled on your smartphone and the unicycle is within range. Try restarting both the app and the unicycle.
For more detailed diagnostics and solutions, consult the KINGSONG App or contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | King Song |
| Model Name | KS-S19Pro |
| Color | Orange |
| Material | Aluminum, Plastic |
| Suggested Users | unisex-adult |
| Manufacturer | KINGSONG |
| Part Number | KS-16XPro |
| Size | 21.26″ (L) × 12.60″ (W) × 31.10″ (H) |
| ASIN | B0G4R61G6L |
| Date First Available | December 2, 2025 |
This image illustrates the internal components of the King Song S19PRO, highlighting the motor, battery, and wheel assembly. Key performance metrics such as 37 MPH top speed, 6500W peak power, and 40° hill climbing capability are displayed.
An image illustrating the portability and design elements of the King Song S19PRO, emphasizing its 71LB weight. Features shown include a Hall Switch for safe stable lift-up shutdown protection, a stretchable design for easier carrying, and stowable footrests to save space.
An image showcasing the King Song S19PRO's enhanced visibility features for night riding, including vibrant RGB colorful lights (178 colors) and a built-in Bluetooth speaker with dual 15W tweeters and 20W subwoofer.
8. Warranty and Support
8.1 Warranty Information
The King Song S19PRO Electric Unicycle comes with a 1 Year Manufacturer Warranty. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects under normal use conditions.
8.2 Customer Support
For any questions, technical assistance, or warranty inquiries, please contact King Song customer service. Refer to the product packaging or the official King Song website for the most up-to-date contact information.