Demon Powersport DEMON E-BIKES THUNDERBOLT SL User manual

First of all, we would like to thank you for

choosing the THUNDERBOLT SL electric bike.

We warmly welcome you to our Demon

Powersports family. We wish you enjoy the

numerous kilometers and happy moments with

your new bike.

After the initial shipment we have made many

improvements and modifications for the

THUNDERBOLT SL including:

*Suspended seat post - Takes the shock out of the big

bumps, without the cost or complexity of suspension.

*Adjustable handlebar stem- Provides up to 1 1/2” of

rise and reach adjustment, for fully customizable riding

position.

*Upgraded Shimano derailleur- Rigid cast aluminum

construction gives smoother, more precise shifting.

*New gearing, with taller top gear for relaxed touring,

plus a lower low gear for tight, technical riding.

Welcome 1

Important 3

 Contact Us 3

Assembly Instructions 4

 Unboxing 4

 Parts 4

 Handle bar 4

 Pedal 4

 Seat Post 5

 How To Install Front Fenders & Lights 6

Battery Charging 8

 Tips 8

Operation 8

Display 9

 Features 9

 TFT Screen Instructions 10

 Error Code Definition 15

Warning and Safety 16

IMPORTANT

Electric Bikes can be dangerous to use. The user or

consumer assumes all risk of personal injuries, damage,

or failure of the bicycle or system and all other losses or

damages to themselves and others and to any property

arising as a result of using the bicycle.

As with all mechanical components, the bicycle is subjected

to wear and high stresses. Different materials and

components may react to wear or stress fatigue in

different ways.

If the design life of a component has been exceeded, it may

suddenly fail possibly causing injuries to the rider. Any form

of crack, scratches or change of coloring in highly stressed

areas indicate that the life of the component has been

reached and it should be replaced.

Please do not hesitate to contact us. If any problems may

occur, please email us at cus[email protected] for

any customer service solutions such as replacement parts,

technical information, and any other issues.

For any other commercial or general inquires please

contact Demon Powersports at 905 475 8383 or

Email us at [email protected]

PLEASE NOTE: THIS MANUAL IS NOT INTENDED

AS A DETAILED USER, SERVICE, REPAIR OR

MAINTENANCE MANUAL. PLEASE SEEK

ASSISTANCE FROM A QUALIFIED TECHNICIAN

FOR SERVICE, REPAIRS OR MAINTENANCE.

DO NOT DISASSEMBLE, MODIFY OR

REPLACE ELECTRICAL PARTS.

ASSEMBLY

INSTRUCTIONS

Your bike has been pre-assembled and requires

only a few simple steps to get it ready for you to

ride:

1) Remove the outside carton after cutting the

nylon bands. Remove all the inside cardboard

protection and bubble wrap. Carefully remove

your bike from the carton and gently rest it in

place

2) Ensure the following pieces are included in the

package. If there are any missing parts, please

contact Demon for help replacing missing

pieces.

a) Bike

b) Pedals

c) Charger

d) Key for battery pack (usually attached with

plastic tie either on the handlebar or on the

battery)

e) Assembly Tools

3) If necessary, align the stem with the front wheel

and tighten the top stem bolt enough to hold the

stem in place. Once the handlebars are aligned and

the top bolts is slightly secured, firmly tighten the 2

side bolts on the stem. After tightening the 2 side

bolts, firmly tighten the top bolt. After all 3 bolts

have been securely fastened, make sure there is no

play in the headset. Loctite is recommend on the

screw (See picture below). Align the brake controls

so they are facing slightly downward. Fine tune the

position to align with your arm when seated on the

bike later.

4) Using the 15mm wrench provided in the toolkit,

attach, and tighten the pedals. PLEASE NOTE – The

pedals are marked “L” for Left and “R” for Right. The

left pedal is attached by turning it counter clockwise

and the right pedal is tightened by turning it

clockwise. Make sure the pedals are tightly attached

to the crank arms to prevent stripping.

(See picture below)

5) Make sure the seat is tight enough so that you

cannot twist it out of alignment. Pull the seat clamp

handle away from the seat post and slide the seat up

or down to adjust it. Move the clamp handle inward

toward the seat post so it is held tight by the clamp.

Important! Be sure the minimum insertion marks

do not go past the top of the seat clamp and are

not visible.

HOW TO INSTALL FRONT

FENDERS & LIGHTS

1) Install the headlight, the two small nut spacers

Provided to go between the headlight bracket and

the forks, to space out the bracket and allow free

movement for the headlight plug without binding.

You may have to pull a little extra wire for the

headlight through the tie wrap to ensure enough play

so the forks can turn all the way to the right and left.

MAKE SURE OF THIS, OR YOU WILL PULL THE WIRES

OUT OF THE HEADLIGHT, WORSE YET, OUT OF THE

FRAME. This would require removing the battery,

battery lock, and controller to fix.

2) Arrange fender supporter 1 and 2 with a provided

nut as shown in the picture.

3) Use above piece ad put it together with whole

fender and screw it as shown in the picture (Do

not tight screw all the way).

4) You should have a final piece as shown in the

below picture.

5) Find a hole underneath a front suspension.

6) Install a fender into a hole located underneath a

front suspension.

7) Install the taillight, screw goes in from right to left

on the bracket, and the taillight sides on the

bracket and locks into place from top down.

BATTERY CHARGING

Included with your new TUNDERBOLT-SL is a lithium ion

battery, along with a charger, which plugs into a standard

household electric receptacle. A lithium ion battery

requires specially designed chargers. You should never

charge your battery with a substitute charger that is not

designed for this use.

Your TUNDERBOLT-SL battery arrives with 70% charge. It is

recommended that you fully charge the battery before your

first use. The TUNDERBOLT-SL battery may be charged

while on the bike or removed and charged at a location

away from the TUNDERBOLT-SL. To charge the battery

please follow the steps below:

- Remove the rubber cover on the charging socket

- Place the charger in a flat, secure place, and

connect the DC output plug from the charger

(round barrel connector) to the charging port on

the side of the battery pack.

- The indicator light on the charger will be red /

orange when battery is charging and will turn

green when fully charged.

The charger will charge a fully depleted battery in 3— 4

hours. If the battery will not be used for an extended

period of time, charge it fully and recharge it every 2

months. Store it in a cool, dry place. If you

experience unusual sounds or odors coming from the

charger or the battery, unplug charger immediately and

contact Demon Powersports customer service.

BATTERY CHARGING TIPS

- Recharge battery after every use. This will keep

the battery in good shape for longer time.

- Do not allow any liquids near or inside the battery

charger.

- Do not charge the battery with any other chargers

then what was originally supplied with your

TUNDERBOLT-SL

- Fully charge the battery before each use to extend

the life of the battery and help to reduce the

chance of over discharging the battery pack.

- Do not place the battery near fire or corrosive

substances.

OPERATION

Your TUNDERBOLT-SL is equipped with an LCD meter

that monitors pedal assist, speed, odometer, trip

distance, riding time, and battery energy level. To turn

the meter on, make sure the battery is fully inserted

into the TUNDERBOLT-SL battery holder.

DISPLAY

Features

 Suitable for low temperature, Max -20℃.

 High-contrast 3.2inch IPS colorful matrix screen.

 Ergonomic external button design, easy to operate.

 Speed display: AVG SPEED, MAX SPEED, and SPEED

(Real-time).

 Kilometer / Mile: Can be set according to customers’

habits.

 Smart battery indicator: Provide a reliable battery

indicator.

 9-level Assist: 3-level/5-level/9-level optional.

 Mileage indicator: Odometer/Trip distance/ Clock/

Riding time.

 Power indicator: real time power indicator, digital or

analog.

 Battery information needs to be supported by

battery communication）

 DST indicator needs to be supported by battery

communication）

 Self-Testing

 Speed limit value indicator

 Error code indicator.

 Light sensor (Optional )

 Software upgraded: Software can be upgraded

through UART.

 USB charging port: 5V/500mA

TFT Screen Instructions

Power On/Off

Press and hold Power button for 1 second can turn on/off

the display. The Display can automatically shut down when

there is no operate & ride for X minutes (X could be0~9).

*If the display has been set password power on, you need to input the right

password before start.

Assist level operating

Short press UP/DOWN button can change the assist level.

Top assist level is 9, 0 for neutral. Level quantities can be

adjusted according to the customer requirements.

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