1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your DEEPOWER H20pro Electric Folding Bicycle. Please read this manual thoroughly before using your e-bike and retain it for future reference.
2. Safety Information
Always prioritize safety when operating your e-bike. Adhere to all local traffic laws and regulations. Wear a helmet and appropriate safety gear. Regularly inspect your e-bike for any signs of wear or damage before each ride.
- Ensure brakes are functioning correctly.
- Check tire pressure before each ride.
- Verify battery is securely locked and charged.
- Do not ride under the influence of alcohol or drugs.
- Be aware of your surroundings and other road users.
3. Package Contents
Upon unboxing, ensure all components are present and undamaged. The package typically includes:
- DEEPOWER H20pro Electric Folding Bicycle (partially assembled)
- Removable 48V 25Ah Battery
- Battery Charger
- Tool Kit
- Fenders
- Rear Rack
- Reflectors
- User Manual
- Pedals
- Front Light

4. Setup and Assembly
Your DEEPOWER H20pro e-bike comes 85% pre-assembled. Follow these steps to complete the assembly:
4.1 Unboxing and Initial Inspection
Carefully remove the bicycle and all components from the packaging. Inspect for any shipping damage. Remove all protective packaging materials.
4.2 Handlebar Installation
- Unfold the handlebar stem and secure the quick-release lever.
- Adjust the handlebar height to your preference and tighten the stem clamp bolts using the provided tools.
- Ensure the display and controls are correctly oriented and tightened.
4.3 Front Wheel Installation
- Align the front wheel with the fork dropouts, ensuring the brake rotor slides correctly into the brake caliper.
- Insert the quick-release skewer or axle bolt through the wheel hub and tighten securely.
- Ensure the wheel spins freely without rubbing against the brake pads.
4.4 Pedal Installation
Identify the left (L) and right (R) pedals. The right pedal tightens clockwise, and the left pedal tightens counter-clockwise. Use a wrench to securely fasten them.
4.5 Front Light Installation
Attach the front light to the designated mounting point on the front fork or handlebar stem. Secure it with the provided screws and tools.
4.6 Battery Installation and Removal
The 48V 25Ah removable battery is integrated into the frame. To install, slide the battery into its compartment until it clicks into place. Use the key to lock it. To remove, unlock with the key and slide it out. This allows for convenient off-bike charging.


5. Operating Your E-Bike
5.1 Powering On/Off and Display
Press and hold the power button on the LCD display to turn the e-bike on or off. The intelligent LCD display shows speed, battery level, distance traveled, and any fault codes. It also allows you to select riding modes and adjust pedal-assist levels.


5.2 Riding Modes
The DEEPOWER H20pro offers three riding modes:
- Electric-only Mode: Use the throttle for full electric power without pedaling.
- Pedal-assist Mode: The motor provides assistance as you pedal, with adjustable levels of assistance.
- Pedal-only Mode: Ride the bike like a traditional bicycle without motor assistance.

5.3 Gear Shifting
The e-bike is equipped with a 7-speed Shimano gear system. Use the shifters on the handlebar to change gears, adapting to different terrains and riding conditions. Shift smoothly to avoid strain on the drivetrain.

5.4 Riding on Various Terrains
The DEEPOWER H20pro is designed with 20" x 4.0" fat tires and dual suspension, making it suitable for various terrains including snow, sand, mountain roads, and city streets. Adjust your speed and riding style according to the terrain.


6. Maintenance
Regular maintenance ensures the longevity and safe operation of your DEEPOWER H20pro e-bike.
6.1 Battery Care
- Charge the battery fully before the first use.
- Avoid completely draining the battery. Recharge after each ride.
- Store the battery in a cool, dry place when not in use, and charge it periodically if stored for extended periods.
6.2 Tire Pressure
Maintain recommended tire pressure (usually indicated on the tire sidewall) for optimal performance, safety, and battery range. Check pressure before each ride.
6.3 Brake Adjustment
The e-bike features hydraulic disc brakes for excellent stopping power. If you hear a "rustling" sound from the brakes, they may need adjustment. Follow the steps in the video below to adjust the brake clamp so it does not contact the brake disc.

6.4 General Cleaning and Lubrication
Clean your e-bike regularly with a damp cloth. Avoid high-pressure washing directly on electrical components. Lubricate the chain and moving parts as needed to ensure smooth operation.

7. Troubleshooting
This section addresses common issues you might encounter with your DEEPOWER H20pro e-bike.
| Problem | Possible Cause | Solution |
|---|---|---|
| E-bike does not power on | Low battery, loose battery connection, power button issue. | Charge the battery. Ensure the battery is securely installed and locked. Check power button connection. |
| Motor not assisting | Low battery, PAS level set to zero, sensor issue. | Check battery level. Increase PAS level on the display. Inspect pedal-assist sensor. |
| Brakes making noise | Misaligned brake caliper, worn brake pads. | Adjust brake caliper (refer to Maintenance section). Replace brake pads if worn. |
| Difficulty shifting gears | Derailleur misalignment, stretched cable. | Adjust derailleur. Check and adjust gear cable tension. |
8. Specifications
Key technical specifications for the DEEPOWER H20pro Electric Folding Bicycle:
- Model Number: H20pro
- Brand: DEEPOWER
- Motor: 250W Rear-mounted Brushless Motor (57N.M Torque)
- Battery: Removable 48V 25Ah Lithium-ion
- Range: 75-110 km per charge
- Charging Time: 5-6 hours
- Max Speed: 25 KM/H
- Frame Material: Aluminum
- Wheel Size: 20 inches
- Tires: 20" x 4.0" Fat Tires
- Brake Type: Hydraulic Oil Brakes (Front and Rear)
- Suspension Type: Dual Suspension (Adjustable Front Suspension, Central Shock Absorber)
- Number of Speeds: 7 (Shimano)
- Riding Modes: Electric-only, Pedal-assist, Pedal-only
- Display: Intelligent LCD Digital Display
- Features: Digital Display, Durable, Foldable, Multiple Speed, Oil Brake
- Recommended Age: Adults
- Load Capacity: Max 330 lbs (approx. 150 kg)
- Product Weight: 63.9 lbs (approx. 29 kg)
- Included Components: Reflectors, Tool Kit, Fenders, Rear Rack

9. Warranty and Support
DEEPOWER offers a comprehensive warranty for your H20pro Electric Folding Bicycle:
- One-Year Warranty: Covers major e-bike components including the battery, motor, controller, and display.
- Six-Month Warranty: Applies to all other parts.
It is recommended to retain the original packaging in case of returns or warranty claims. For further assistance or technical support, please contact DEEPOWER customer service.

