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ENGWE-BIKES SJB-1 - User Manual

ENGWE-BIKES SJB-1
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ENGWE-BIKES
14 inch Folding Lightweight Electric Bike
Operation and maintenance manual
Before using the e-bike, please read the attached operating instructions.
Carefully read the safety rules.

Questions and Answers

  • V
    vdaltonAug 5, 2025
    Why can't I turn on my ENGWE-BIKES Bicycle?
    • C
      caustinAug 5, 2025
      If your ENGWE-BIKES Bicycle won't turn on, the issue is likely one of the following: * **Battery is out of power:** Fully charge the battery. * **Battery damaged:** Replace the battery.
  • R
    Ronald PowellAug 12, 2025
    What to do if my ENGWE-BIKES Bicycle's mileage is inadequate after a full charge?
    • N
      nmcmillanAug 12, 2025
      If your ENGWE-BIKES Bicycle isn't going as far as it should after a full charge, here are some potential reasons and fixes: * **Inadequate tire pressure:** Inflate the tires to the correct pressure. * **Charger failure:** Get the charger repaired. * **Battery not fully charging:** Examine and repair the controller. * **Controller failure:** Replace the controller. * **Battery aging or damage:** Replace the battery. * **Assembly issues:** Re-adjust the e-Bike. * **Too much uphill riding:** Assist the e-Bike by pedaling. * **Low temperature:** Warm the battery above 0°C (32°F).
  • S
    Stephen ReyesAug 19, 2025
    How to fix speed adjustment issues on my ENGWE-BIKES Bicycle?
    • S
      Steven MurilloAug 19, 2025
      If you're having trouble adjusting the speed on your ENGWE-BIKES Bicycle, consider these potential causes and solutions: * **Low battery voltage:** Fully charge the battery. * **Damaged throttle governing bar:** Replace the throttle governing bar. * **Spring failure or being locked:** Replace the spring.
  • J
    Jamie ManningAug 27, 2025
    What to do if the wheel hub stops running on my ENGWE-BIKES Bicycle after switching it on?
    • R
      Robert GutierrezAug 27, 2025
      If the wheel hub on your ENGWE-BIKES Bicycle stops running after you turn it on, check the following: * **Loose battery connection:** Re-connect the battery. * **Poor contact of controlling line:** Replace the connection line. * **Broken battery protective board:** Replace the battery’s protective board with a new one.

Summary

Importance and Safety Precautions

Read This First: Safety and Compliance

E-Bike Assembly Guide

Charge the E-Bike Battery

Detailed instructions for charging the e-bike battery and understanding charge indicators.

Operating Your New E-Bike

Pedal-Assist Mode Operation

Explains how the pedal-assist mode works, including activation, stopping, and speed limits.

Hand Throttle Control Usage

Details how to use the hand throttle to control power assist and accelerate the e-bike.

Safety Warnings and Precautions

Battery Safety Guidelines

Crucial safety warnings for handling and charging the e-bike battery to prevent hazards.

Battery Charger Safety Guidelines

Essential safety precautions for using the battery charger to avoid risks like overheating or shocks.

General Charging Safety

Covers safety practices for charging, including plug handling, water avoidance, and using correct equipment.

Troubleshooting Common Issues

ENGWE-BIKES SJB-1 Specifications

General IconGeneral
CategoryElectric Bicycle
Battery48V 13Ah Lithium-Ion Battery
Frame MaterialAluminum Alloy
SuspensionFull Suspension
DisplayLCD Display
Max Speed25 mph (40 km/h)
Range31-62 miles (50-100 km)
Load Capacity330 lbs (150 kg)
Weight77 lbs (35 kg)
Motor750W Brushless Motor
GearsShimano 8-Speed

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