1. Introduction
Welcome to the DEEPOWER QS7 Electric Bike user manual. This guide provides essential information for the safe operation, maintenance, and care of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.
The DEEPOWER QS7 is designed for versatile riding, featuring a powerful 1500W peak motor, dual suspension, and a robust battery system, making it suitable for various terrains from city commutes to off-road adventures.

Image: The DEEPOWER QS7 Electric Bike, showcasing its robust frame, fat tires, and integrated battery.
2. Safety Guidelines
Your safety is paramount. Always adhere to local traffic laws and regulations. Wear a helmet and appropriate safety gear during every ride.
2.1 General Safety Precautions
- Always wear a certified helmet.
- Perform a pre-ride inspection: check tire pressure, brakes, lights, and battery level.
- Be aware of your surroundings and ride defensively.
- Do not ride under the influence of alcohol or drugs.
- Avoid riding in extreme weather conditions.
2.2 Battery Safety
- Use only the charger provided by DEEPOWER.
- Do not expose the battery to extreme temperatures or direct sunlight.
- Do not puncture, drop, or disassemble the battery.
- If the battery is damaged or emits an unusual odor, discontinue use immediately and contact support.
3. Product Overview & Components
Familiarize yourself with the main parts of your DEEPOWER QS7 Electric Bike.
3.1 Key Features
- 1500W Peak Hub Motor: Delivers powerful acceleration and climbing ability.
- 960Wh Removable Battery: UL safety certified lithium pack with intelligent BMS for extended range and lifespan.
- Full Suspension System: Front and rear dual suspension for a comfortable ride over varied terrain.
- Dual Disc Brakes: Ensures reliable and responsive stopping power.
- High Headlights & LCD Display: Provides visibility and real-time ride data.
- 20" Fat Tires: Offers enhanced grip and stability.
- 7-Speed Gear System: Adapts to different riding conditions.

Image: Detailed view of the 1500W peak brushless motor, highlighting its power and efficiency.

Image: Illustration of the 48V removable LG-Battery, showing its internal cells and capacity options.

Image: Close-up of the comfortable full suspension system, demonstrating its shock absorption capabilities.

Image: The high-intensity headlight and front dual disc brake system, emphasizing visibility and stopping power.

Image: The intelligent colorful LCD display, showing speed, battery level, and mileage, along with control buttons.

Image: Visual representation of the 3 riding modes (electric, pedal-assist, manual) and the 7-speed gear system.

Image: Close-up of the 4.0 x 20 inch fat tire, illustrating its robust tread pattern for various terrains.
4. Assembly
Your DEEPOWER QS7 electric bike comes 90% pre-assembled. The remaining assembly steps are straightforward and can be completed with the included tools and instructions.
4.1 Assembly Steps
- Unpack the bike and remove all packaging materials.
- Attach the front wheel, ensuring the disc brake rotor is correctly seated in the caliper.
- Install the handlebars, aligning them properly and tightening the stem bolts.
- Attach the pedals, noting that the left and right pedals are marked (L and R).
- Insert the seat post and adjust the seat height for comfortable riding.
- Install the front fender and headlight.
- Perform a thorough safety check of all bolts and connections.
For a visual guide, please refer to the assembly video available on the product page.
Video: An official DEEPOWER video demonstrating the assembly process for the QS7 electric bike, including installation of the front wheel, handlebars, and pedals.
5. Operating Your DEEPOWER QS7
5.1 Powering On/Off
To power on the bike, insert the key into the battery lock and turn it to the 'ON' position. Then, press and hold the power button on the LCD display. To power off, reverse the process.
5.2 Riding Modes
The DEEPOWER QS7 offers three riding modes:
- Pure Electric Mode: Engage the throttle for motor-only propulsion. Ideal for effortless cruising.
- Pedal-Assist Mode (PAS): The motor provides assistance as you pedal. You can adjust the assist level using the controls on the handlebar.
- Manual Bicycle Mode: Ride the bike like a traditional bicycle without motor assistance.
5.3 Gear Shifting
The 7-speed gear system allows you to adjust your pedaling effort to match terrain and speed. Use the gear shifter on the handlebar to change gears smoothly.

Image: Illustration of the 7-speed precision gears and the derailleur system, highlighting smooth transitions.
5.4 LCD Display Functions
The intelligent colorful LCD display provides real-time information:
- Current Speed (MPH/KMH)
- Battery Level Indicator
- Odometer (Total Mileage)
- Trip Distance
- Pedal Assist Level (PAS)
- Headlight Indicator

Image: The LCD central display showing various metrics, alongside controls for turn signals, electric horn, and lights.
6. Battery Management & Charging
The DEEPOWER QS7 is equipped with a high-capacity removable battery. Proper battery care ensures longevity and performance.
6.1 Charging Procedure
- Ensure the bike is powered off.
- Locate the charging port on the battery.
- Connect the charger to the battery, then plug the charger into a standard wall outlet.
- The charger indicator light will show charging status (typically red for charging, green for fully charged).
- Charging typically takes 5 hours with the 48V3A charger.
- Once fully charged, disconnect the charger from the outlet first, then from the battery.

Image: Visual of the removable battery and its charging port, indicating fast charging capabilities.
6.2 Battery Care Tips
- Charge the battery regularly, even if not in use, to maintain its health.
- Store the battery in a cool, dry place.
- Avoid fully discharging the battery frequently.
- The battery is IPX4 waterproof, but avoid submerging it in water.
7. Maintenance
Regular maintenance ensures the longevity and safe operation of your electric bike.
7.1 Routine Checks
- Tires: Check tire pressure before each ride. Recommended pressure is typically found on the tire sidewall.
- Brakes: Ensure brake levers are firm and responsive. Adjust or replace brake pads as needed.
- Chain: Keep the chain clean and lubricated to prevent rust and ensure smooth shifting.
- Bolts & Fasteners: Periodically check and tighten all bolts and fasteners, especially on critical components like handlebars, wheels, and seat post.
- Lights: Verify that front and rear lights are functioning correctly.
7.2 Cleaning
Clean your bike with a damp cloth and mild soap. Avoid using high-pressure washers directly on electrical components.
8. Troubleshooting
This section addresses common issues you might encounter with your DEEPOWER QS7 electric bike.
| Problem | Possible Cause | Solution |
|---|---|---|
| Bike does not power on. | Battery not charged, battery switch off, loose connection. | Charge battery, ensure battery switch is ON, check connections. |
| Motor not assisting. | PAS level too low, throttle issue, motor connection. | Increase PAS level, check throttle cable, inspect motor wiring. |
| Brakes feel weak. | Worn brake pads, loose brake cable. | Inspect and replace brake pads, adjust brake cable tension. |
| Unusual noises during ride. | Loose components, chain issues, suspension noise. | Check all bolts, clean and lubricate chain, inspect suspension. |
If you encounter issues not listed here or cannot resolve a problem, please contact DEEPOWER customer support.
9. Specifications
Detailed technical specifications for the DEEPOWER QS7 Electric Bike (QS7-1500W-20AH model).
| Feature | Specification |
|---|---|
| Bike Type | Electric Bike |
| Motor | 1500W Peak Brushless Hub Motor |
| Max Speed | 30 MPH |
| Climbing Ability | Up to 35° |
| Battery | 960Wh (48V 20AH) Removable Lithium Pack, UL Certified |
| Charging Time | Approx. 5 hours (with 48V3A charger) |
| Wheel Size | 20 Inches (Fat Tire) |
| Frame Material | Carbon Steel |
| Suspension Type | Dual (Front & Rear) |
| Brake Style | Dual Disc Brakes |
| Number of Speeds | 7 |
| Max Load Capacity | 330 lbs (150 kg) |
| Item Weight | 73 lbs (40 kg) |
| Recommended Height | 5.3 - 6.2 ft |
| Waterproof Rating | IPX4 |

Image: Diagram showing the dimensions of the DEEPOWER QS7 electric bike and recommended rider height.
10. Warranty & Support
DEEPOWER is committed to providing excellent customer service and support for your electric bike.
10.1 Warranty Information
Your DEEPOWER QS7 electric bike comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and component failures under normal use. To claim warranty service, you may be required to provide corresponding pictures or videos to prove that the parts are damaged.
10.2 Contacting Support
For any inquiries, technical support, or warranty claims, please feel free to contact DEEPOWER customer service. We aim to provide professional after-sales service within 24 hours on working days.
You can typically find contact information on the DEEPOWER official website or through your purchase platform (e.g., Amazon).
Frequently Asked Questions:
- How do I finish my assembly?
90% of our bikes are pre-assembled and can be easily assembled with the help of our assembly video. You can find the assembly video on the product page or check the instructions to complete the installation. - How do I contact the seller?
You can try to contact DEEPOWER or Amazon via email or website. We will provide professional after-sales service within 24 hours on working days. - What's covered in the 1-year support?
Within 1 year after purchase, provide corresponding pictures or videos to prove that the parts are damaged.





