1. Introduction
This user manual provides essential information for the safe operation, maintenance, and troubleshooting of your Denver Elektro Roller DONAR PRO SEL-10860 electric scooter. Please read this manual thoroughly before first use to ensure proper handling and to maximize the lifespan of your device.

Figure 1: Denver Elektro Roller DONAR PRO SEL-10860 electric scooter.
2. Safety Guidelines
Operating an electric scooter carries inherent risks. Adhere to the following safety guidelines to prevent injury or damage:
- Always wear a helmet and appropriate protective gear (knee pads, elbow pads) when riding.
- Familiarize yourself with local laws and regulations regarding electric scooter use.
- Do not ride in wet conditions, on slippery surfaces, or in heavy rain.
- Avoid riding at night or in low visibility conditions without proper lighting.
- Maintain a safe distance from other vehicles, pedestrians, and obstacles.
- Do not perform stunts or sudden maneuvers.
- Ensure the scooter is fully charged and all components are secure before each ride.
- Do not exceed the maximum weight limit specified in the specifications section.
- Children should only operate the scooter under direct adult supervision.
3. Package Contents
Verify that all items are present in the package:
- Denver Elektro Roller DONAR PRO SEL-10860 Electric Scooter
- Power Adapter/Charger
- User Manual (this document)
- Assembly Tools (if required for minor assembly)
4. Setup
4.1 Unfolding the Scooter
- Place the scooter on a flat surface.
- Locate the folding mechanism near the base of the handlebar stem.
- Release the locking latch and carefully lift the handlebar stem until it clicks into the upright position.
- Secure the locking latch firmly to prevent accidental folding during operation.

Figure 2: Scooter in unfolded, ready-to-ride position.
4.2 Initial Charging
Before first use, fully charge the scooter's battery.
- Ensure the scooter is powered off.
- Locate the charging port, typically on the side of the deck.
- Connect the charger to the charging port, then plug the charger into a standard wall outlet.
- The indicator light on the charger will change (e.g., from red to green) when charging is complete.
- Disconnect the charger once fully charged. Do not overcharge.
4.3 Tire Inspection
Check tire pressure before each ride. Proper tire pressure ensures optimal performance and safety.

Figure 3: Front wheel and fender detail.
5. Operating Instructions
5.1 Power On/Off
- To power on: Press and hold the power button on the handlebar display for a few seconds.
- To power off: Press and hold the power button again until the display turns off.

Figure 4: Handlebar display showing operational information.
5.2 Riding the Scooter
- Place one foot firmly on the deck.
- Push off with your other foot to gain initial momentum.
- Once moving, gently press the accelerator lever (throttle) to engage the motor.
- Place your second foot on the deck.
- To slow down or stop, release the accelerator and gently apply the brake lever.
5.3 Headlight and Taillight Operation
The scooter is equipped with a front headlight and a rear taillight for visibility.

Figure 5: Front headlight integrated into the handlebar stem.

Figure 6: Rear taillight for increased visibility.
- To turn on/off the lights: Refer to the specific button on your handlebar (often integrated with the power button or a separate light button).
5.4 Folding for Storage
To fold the scooter for transport or storage:
- Ensure the scooter is powered off.
- Locate and release the folding mechanism latch.
- Carefully fold the handlebar stem downwards until it locks into place with the rear fender or a designated hook.

Figure 7: Scooter in folded position for compact storage.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your scooter.
- Cleaning: Wipe the scooter with a damp cloth. Do not use high-pressure water jets or immerse the scooter in water.
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain battery health.
- Avoid completely draining the battery before recharging.
- Store the scooter in a cool, dry place when not in use, away from direct sunlight and extreme temperatures.
- Tires: Regularly check tire pressure and inspect for wear or damage. Replace tires if necessary.
- Brakes: Periodically check brake functionality and adjust if needed. Ensure brake levers are responsive.
- Fasteners: Check all screws and bolts periodically to ensure they are tight.
7. Troubleshooting
Refer to this section for common issues and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Scooter does not power on. | Battery is low or depleted. Power button not pressed correctly. | Charge the battery. Press and hold the power button firmly. |
| Motor does not engage. | Scooter not pushed off to gain initial speed. Brake engaged. | Ensure you push off to at least 3-5 km/h before engaging throttle. Release brake lever completely. |
| Reduced range or speed. | Low battery. Overloaded. Low tire pressure. | Fully charge battery. Ensure rider weight is within limits. Inflate tires to recommended pressure. |
| Brakes feel loose or ineffective. | Brake cable needs adjustment. Brake pads worn. | Adjust brake cable tension. Inspect and replace brake pads if worn. Consult a professional if unsure. |
If the problem persists after attempting these solutions, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Denver |
| Model Number | 115111300260 |
| Dimensions (L x W x H) | 114.5 x 47.5 x 120.8 cm |
| Weight | 19 Kilograms |
| Number of Wheels | 2 |
| Battery Type | 1 Lithium-ion (included) |
| Date First Available | 23 December 2022 |
9. Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official Denver website. Keep your proof of purchase for warranty claims.
For technical support, spare parts, or service inquiries, please contact Denver customer service through their official channels. Contact details can typically be found on the product packaging or the brand's website.
Important: Do not attempt to repair the scooter yourself if you are not qualified, as this may void your warranty and pose safety risks.







