1. Introducere
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Tbest Electric Throttle Control Handlebar Grip with LED Display. This product is designed for electric scooters, bicycles, tricycles, and other electric vehicles operating within a 12V-99V voltage gama.
Conținutul pachetului
- 1 x Right Handlebar (Throttle Control with LED Display)
- 1 x Left Handle Grip
- 1 x 2-meter Wiring Harness

Figura 1: Pesteview of the Tbest Electric Throttle Control Handlebar Grip set, showing the right-hand throttle with integrated LED display and the matching left-hand grip.
2. Specificații
| Caracteristică | Caietul de sarcini |
|---|---|
| Material | Aluminium Alloy + Rubber |
| Culoare | Albastru |
| Greutatea pachetului | Approx. 0.3 Kilograms (285g) |
| Lungimea firului | Aprox. 2 metri (78.7 inci) |
| Tip de control al vitezei | 3-gear switch (High, Middle, Low speed) |
| Compatibility (Vehicle) | 12V-99V Electric Bicycles, Scooters, Tricycles, and other Electric Vehicles |
| Handlebar Diameter Fitment | 22.2mm |
| Vol. De lucrutage (Throttle) | DC 0.8-4.2V |
| Vol. De lucrutage (Battery Indicator) | 12-84V (Automatic identification) |
| Compatibilitatea bateriei | Lithium battery, lead-acid battery, etc. |
3. Configurare și instalare
Proper installation is crucial for the safe and correct operation of your electric throttle. Ensure your vehicle's handlebar has a 22.2mm diameter for proper fitment.
Etape de instalare
- Remove existing handlebar grips.
- Slide the new left handle grip onto the left side of the handlebar.
- Slide the right handlebar (throttle control) onto the right side of the handlebar. Secure it firmly.
- Proceed with the wiring connections as detailed below.

Figura 2: Explodat view illustrating the components of the throttle control and grip for installation.
Schemă de cablare și conexiuni
Caution: Incorrect wiring can lead to damage to the Hall sensor or LED display. If you are not a professional, please pay close attention to the wire order.
- Sârmă galbenă: Power positive. Connect to the battery's positive terminal (e.g., +24V, +36V, +48V).
- Fir roșu: Throttle positive (+5V).
- Sârmă verde: Fir de semnal al accelerației.
- Sârmă neagră: Throttle negative.
For 3-gear speed control (if your controller supports it):
- Sârmă albă: Viteza mare.
- Sârmă albastră: Middle speed (shared line).
- Sârmă maro: Viteza mica.
Note: The 3-gear speed control function will only work if your electric vehicle's controller supports speed regulation.

Figure 3: Detailed wiring diagram showing the connections for power, throttle, and speed control wires.
4. Instrucțiuni de utilizare
Controlul clapetei
The right handlebar functions as the throttle. Twist the grip to control the speed of your electric vehicle. The throttle provides a smooth and responsive acceleration.
LED Display for Battery Level
The integrated LED display shows the real-time voltage value, allowing you to accurately determine the remaining battery charge. The system automatically identifies voltageste între 12V și 84V.

Figura 4: Prim-plan view of the LED display, which shows the current battery voltage.
Interpreting Battery Voltage
Refer to the following table to understand the battery level based on the displayed voltage. Volumul maximtage indicates a full charge, while the minimum voltage indicates an exhausted battery.
| Vol. Nominaltage | Vol. Maxtage (Full) | Vol. mintage (Empty) |
|---|---|---|
| 12V | 12V | 9V |
| 24V | 29V | 21V |
| 36V | 42V | 29V |
| 48V | 54V | 39V |
| 60V | 72V | 49V |
| 72V | 84V | 60V |
This feature helps prevent unexpected power loss during travel and assists in assessing the health of your lithium battery.
Speed Gear Switch
The throttle includes a 3-gear switch (High, Middle, Low) to adjust the speed of your electric vehicle. This function requires your vehicle's controller to support speed regulation for it to be effective.
5. Întreținere
To ensure the longevity and optimal performance of your Tbest Electric Throttle Control Handlebar Grip, follow these general maintenance guidelines:
- Keep the grips clean and free from dirt, dust, and moisture. Use a soft, damp cârpă pentru curățare.
- Regularly inspect the wiring for any signs of wear, fraying, or damage. Ensure all connections are secure.
- Evitați expunerea produsului la temperaturi extreme sau la lumina directă a soarelui pentru perioade lungi de timp.
- Do not use harsh chemicals or abrasive cleaners on the grips or LED display.
6. Depanare
If you encounter issues with your electric throttle, refer to the following common problems and solutions:
- Problemă: The 3-gear speed switch has no effect.
Soluţie: This function requires your electric vehicle's controller to support speed regulation. If your controller does not have this capability, the switch will not function. - Problemă: The throttle or LED display is not working, or there is a burning smell.
Soluţie: Immediately disconnect power. This often indicates incorrect wiring. Review the wiring diagram in Section 3 and ensure all connections are made correctly. Incorrect wiring can cause damage to the Hall sensor or LED tube. If unsure, consult a professional. - Problemă: Inaccurate battery voltagcitirea.
Soluţie: Ensure the yellow power positive wire is correctly connected to the battery's positive terminal. Verify that the battery itself is functioning correctly and is within the 12V-84V operating range.
7. Garanție și asistență
Specific warranty information for the Tbest Electric Throttle Control Handlebar Grip is not provided in this manual. Please refer to your purchase documentation or contact the retailer/manufacturer directly for details regarding warranty coverage and customer support.





