The device described in this manual is the isinwheel D4 Electric Bike, a foldable electric bicycle designed for various riding conditions with a focus on user convenience and safety.

Function Description

The isinwheel D4 Electric Bike offers multiple drive modes:

Twist Throttle Mode: Allows the user to control speed by twisting the throttle, with speed modes ranging from 1 to 5. The top speed in this mode is 20 MPH (32 KM/H).
Pedal Assist System (PAS) Mode: Provides assistance while pedaling, with PAS levels from 1 to 5. The LCD smart display allows for selection of the desired PAS level.
Pedal Mode: When the LCD display is turned off, the E-Bike can be pedaled like a normal bicycle without electric assistance.
6 KM/H Walk Assist Mode: A feature that assists the user when walking alongside the bike, activated by pressing and holding the decrease button when the bike is stationary.

The bike's display provides comprehensive information including current working current, speed (in MPH or KM/H), battery level, PAS level, odometer, trip distance, trip time, current voltage, and various fault indicators (Twist Throttle Fault, Motor Fault, Controller Fault, Brake Reminder, Under-Voltage, Pedal Assist Mode, Communication Receiving/Transmitting Fault, BMS Communication Fault, Front Light Fault). It also allows for settings adjustments such as backlight brightness, odometer unit (KM/MILE), speed limit (0-50 KM/H), wheel diameter, number of magnetic steel, LCD brightness, and under-voltage value.

Important Technical Specifications

Model Name: D4
Net Weight: 66 LBS / 30.3 KG
Product Dimensions: 67.7 x 25 x 49.6 IN / 172 x 63.5 x 126 CM
Package Dimensions: 57.5 x 13.7 x 28.7 IN / 146 x 35 x 73 CM
Max. Incline: 11° (for a rider weighing 220.4 LBS / 100KG)
Max. Capacity: 330 LBS / 150 KG
Max. Speed: 20 MPH / 32 KM/H
Range: 39-43 Miles / 63-70 KM
Motor: 500W
Battery Voltage: 48V 15Ah
Charge Voltage: 100-240V/2A
Wheel Size: 20 IN
Charge Time: 8-9 Hours
Water Resistance: IPX4 (can withstand splashes, but not submersion)
Storage Temperature: 20°C-25°C / 68°F-77°F
Operating Temperature: -4°F-140°F / -20°C~60°C
Charging Temperature: 32°F-104°F / 0°C-40°C
Warranty: 1 Year Limited

Usage Features

The isinwheel D4 is designed for ease of use and installation:

Foldable Design: The stem can be folded, and pedals can be pushed inward to fold, enhancing portability and storage.
Removable Battery: The battery can be removed for charging or security, and its level can be checked by long-pressing a button on top of the battery.
Integrated Controls: The handlebar features a brake lever, on/off switch, electric bike display, shift lever, throttle, and horn button.
LCD Display (S830): Provides real-time information and allows for mode selection and settings adjustments.
Front Light & Horn Button: Controls the front and rear lights and activates the horn.
M Button: Used to switch speed modes (1-5), power on/off the electric bike (long press for 2 seconds), and switch speed modes from 5 to 1.
Gear Shifting: Gears can be changed by pressing the gear button or pushing the gear lever.
Safety Features: Disc brakes on both front and rear wheels, hydraulic suspension front fork, and a taillight for visibility.
Assembly: The manual provides detailed steps for stem installation, handlebar angle adjustment, front wheel installation, front light and mudguard installation, pedal installation, seat installation, and battery removal/installation.

Maintenance Features

Regular Checks: Users are advised to check quick-release screws, seat firmness, brake effectiveness, gears, tire pressure, handlebar, and screws regularly (at least weekly) to ensure peak performance and identify potential safety issues.
Professional Maintenance: It is recommended to take the bike to a local bike shop twice a year for tuning, with critical components inspected, repaired, and adjusted by an experienced mechanic.
Battery Care:
- Fully charge the battery before first use (takes about 8 hours).
- Periodically inspect the battery connector and charging cable.
- Keep the charging environment clean and dry.
- Avoid charging if liquid is on the charging port.
- Charge the battery after each ride to prevent draining from a full charge.
- Store and charge the battery within the temperature range of 20°C-25°C / 68°F-77°F.
- Do not pierce or disassemble the battery.
- If storing for more than a month, discharge and charge the battery at least once a month.
- Only use the official charger provided with the D4 e-bike.
- Ensure the battery is locked with the key before use.
Cleaning: Wipe the outer body with a soft, dry microfiber cloth. Ensure the power is turned off and the charging cable is unplugged before cleaning.
Storage: Store the electric bike in a cool, dry place, away from direct sunlight, extreme temperatures, and dusty environments. Cover the bike to prevent dust.
Disposal: The product and its lithium-ion battery should not be disposed of with household waste. Users must follow local regulations for e-waste recycling and contact local waste management offices for proper disposal.
Water Resistance: The E-Bike has IPX4 water resistance, meaning it can withstand splashes but should not be submerged in water.

The manual emphasizes safety, urging riders to wear approved protective equipment, obey speed limits, maintain safe distances, and avoid dangerous actions. It also highlights the importance of proper battery handling to ensure longevity and prevent damage.

iSinwheel EBIKE D4 - Contact Information

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