Fold the bike frame and use the battery lock key to release the battery
between the battery and the body, and carefully pull out the lithium battery.
Connect the charging plug to the battery's charging port.
Connect the power plug to a power socket of the specified voltage.
The indicator light on the charger will remain Red while charging.
When the indicator on the charger turns Green, the battery has been fully charged.
It takes ~3-8 hours to fully charge the battery.
After the battery is fully charged, unplug the charger from the socket first, then
disconnect from the battery charging port.
Removing the battery to charge
The battery can be charged on the bike or removed for charging.
Open the charging port dust cover on the left side of the e-bike.
Connect the charging plug to the battery's charging port.
Connect the power plug to a power socket of the specified voltage.
The indicator light on the charger will remain Red while charging.
When the indicator on the charger turns Green, the battery has been fully charged.
It takes ~3-8 hours to fully charge the battery.
After the battery is fully charged, unplug the charger from the socket first, then
disconnect from the battery charging port.
Charging the battery without removing it
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Ensure all connectors are fully plugged in prior to charging.
Use only the original charger supplied with your e-bike or a genuine SDREAM
replacement. Use of an aftermarket charger may cause a battery fault and reduce
battery life.
Keep the charger and battery in a cool, dry place away from direct sunlight and
other sources of heat. Keep away from children.
During charging, make sure the charger is in a location with good airflow. The
charger may feel warm during charging. This is normal as long as the temperature
does not exceed 131°F/55°C.
Always charge the battery for at least 3 hours. Prior to first use, charge for 8-10
hours.
It is recommended not to drain the battery completely. If the battery runs out
completely, charge it within 24 hours to preserve battery longevity.
It is recommended to charge the battery at least once a month even if the e-bike
is not used in order to preserve battery longevity.
Prevent metal from touching the charging port of the battery.
Follow all local recycling laws when disposing of batteries.
Warnings
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The SDREAM X is covered by a one year limited warranty. During the warranty term, we
provide free parts and technical support. Out-of-warranty or non-warranty service is
also available for a separate charge.
Limited one year warranty
Faults caused by usage, maintenance, and adjustment without complying with the
Owner’s Manual recommendations.
Faults caused by disassembly, repair, and refitting not authorized in the Owner’s
Manual or beyond the scope specified in the Manual.
Faults caused by improper storage, accidents, and disaster caused by force
majeure, such as floods and fires.
This warranty does not cover normal wear and tear of the bike or its components
(for example, tires, inner tubes, brake pads, chains, etc).
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Warranty Limitations
Frequently asked questions
What should I do before riding my e-bike?
A few quick checks will help make sure that you're getting the best, safest ride
possible, as follows:
All major bolts are tightened
The tires have adequate pressure
The front and rear brakes react as they should to the brake levers
There is no play in the derailleur, chain, or wheel spokes
The battery has a charge and is secured to the bike
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All cable connections are correctly plugged in (Note: if cables have been
disconnected, please note the two arrows on the connectors MUST be aligned
when they are reconnected).
What is the maximum range of the e-bike?
The maximum range will be approximately 24-50 miles/40-80 kilometers,
depending on a number of factors including pedal input and assist level, tire
pressure, and environmental factors such as terrain and wind resistance.
How long should I charge the battery?
The first time you use the bike, charge the battery for 8-10 hours. For subsequent
charges, the charging time should be at least 3 hours. To maximize battery
capacity, continue charging 1~2 hours after the charger indicator turns to green.
(Note: If the battery runs out completely, charge it within 24 hours to preserve
battery longevity.)
Is it normal for the charger to heat up during charging?
It is normal, as long as the temperature does not exceed 131°F/55°C.
How do I check the battery status?
There are two ways to check battery power:
Press the battery status button. The color of the battery status indicator displays
the remaining battery life as follows: Green: 100%-80%, yellow: 80%-20%, red: less
than 20%.
Use the battery level indicator on the LCD display. Note: if the battery percentage
is 0%, battery power is very low and the battery should be charged immediately.
What if the battery runs out? Can I still ride the bike?
Yes, when the battery runs out the bike can be ridden like a regular bicycle.
How can I ensure the longevity of my battery?
To preserve battery performance, follow the below recommendations:
Store your bike indoors if possible, away from direct sunlight and other sources
of heat as well as moisture such as from rain.
Avoid charging the battery in extremely cold (under 32°F/0°C) or hot (above
122°F/50°C) environments as it may reduce the battery’s service life or even
cause a fire.
It is recommended not to drain the battery completely, and to charge the
battery after every ride if possible. If the battery runs out completely, charge it
within 24 hours to preserve battery longevity.
It is recommended to charge the battery at least once a month even if the
e-bike is not used in order to preserve battery longevity. If storing the battery for
a long time, make sure the charge level stays above 40%.
Use only the original charger supplied with your e-bike or a genuine SDREAM
replacement. Use of an aftermarket charger may cause a battery fault and
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reduce battery life.
A lithium battery can be fully charged and discharged 300-500 times (cycles). A
full charge (0% -> 100%) and discharge (100% -> 0%) is considered one cycle.
Discharging the battery 50% and then charging it back up from 50% -> 100% is
0.5 cycle. It is normal for the performance of the battery to reduce with time and
charge cycles.
Is the battery fixed or can it be removed and replaced?
The battery is removable and replaceable.
How to activate the power assist mode?
Set the assist level to 1 or higher, then pedal for at least ½ of a pedal turn to trigger
the power assist, or use the twist throttle.
What is the difference between a speed sensor and a torque sensor
A speed sensor measures pedaling speed while a torque sensor measures
pedaling power.
Is there a brake power cutoff system?
Yes. When the brake lever is held, the power assist system will be forcibly powered
off. When the brake lever is released, the power assist system will resume.
What are the gears and shifter for?
The e-bike is equipped with a 7-speed Shimano cassette and shifter, which lets
you adjust the speed and torque during riding to fit the terrain and weather
conditions. For instance, a lower gear is more suitable for pushing off and for going
uphill, while a higher gear is more suitable for medium and high-speed riding.
What kind of maintenance do I need to perform on my e-bike?
Most of the mechanical parts of an e-bike are the same as a normal bike and
require the same maintenance. Contact your local bike shop for parts such as tires
and brakes. When performing maintenance, please follow the below
recommendations:
In order to prevent brake malfunction, do not lubricate brake discs.
Do not disassemble the battery or the drive unit.
Do not touch the battery terminals. Terminals can be cleaned with a battery
cleaner without the use of water.
Do not spray any lubricant into the wire ports.
Can I replace the brakes?
You can replace the brakes and most replacements on the market are
compatible, but the bracket of the calliper must fit. Please contact your local bike
shop to confirm and have a professional technician perform the installation.
How do I clean my e-bike? Can I wash it?
Do not wash the e-bike with water. To clean, use a wet towel, keeping it away from
the battery terminals.
Why does the cassette get rusted? Is there any way to deal with it?
The cassette is made of steel and may get rusted when it contacts water. It can be
cleaned using any store-bought rust remover.
What is your warranty policy?
The SDREAM X is covered by a one year limited warranty. During the warranty term,
we provide free parts and technical support. Out-of-warranty or non-warranty
service is also available for a separate charge.
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