e-TWOW BOOSTER PLUS User manual

Portable Electric Scooter
Electric two wheels
A new era in urban mobility
USER MANUAL
BOOSTER PLUS
Thank you for purchasing our products
PLEASE CAREFULLY READ THE USER MANUAL AND WARRANTY BOOK
BEFORE USING

2
CONTENTS
WARNING................................................................................................................................3
SAFETY....................................................................................................................................4
MAIN PARTS............................................................................................................................5
FOLDING/ UNFOLDING STAGES...........................................................................................6
Folding stages.......................................................................................................................6
Folding steps.........................................................................................................................6
Unfolding steps......................................................................................................................7
OPERATION ............................................................................................................................8
Basic instructions ..................................................................................................................8
Operating Instructions...........................................................................................................8
a) ON/OFF.......................................................................................................................8
b) Speed control ..............................................................................................................8
c) Breaking Control..........................................................................................................8
d) Horn.............................................................................................................................8
e) LED Headlight .............................................................................................................9
f) Mileage Show..............................................................................................................9
g) Emergency ..................................................................................................................9
DISPAY FACTORY SETTING...............................................................................................9
MENU for SPEED LIMIT.............................................................................................10
MENU for SETTING....................................................................................................10
RIDING OPERATION...........................................................................................................111
Getting Ready! ..................................................................................................................111
Start...................................................................................................................................111
Brake.................................................................................................................................111
Cruise control....................................................................................................................111
Zero start...........................................................................................................................111
Maximum Speed Limitation...............................................................................................111
BATTERY AND CHARGER..................................................................................................122
Battery...............................................................................................................................122
Charger.............................................................................................................................122
Charge Description............................................................................................................122
MAINTENANCE ...................................................................................................................123
Lubricating.........................................................................................................................133
Battery...............................................................................................................................133
Storage and care...............................................................................................................133
GENERAL TROUBLESHOOTING .......................................................................................133
Checklist..............................................................................................................................13
a) LED display black screen..........................................................................................13
b) Values from the display do not fit the actual values...................................................13
c) No information on digital display................................................................................13
PRODUCT SPECIFICATION SHEET.....................................................................................14

3
WARNING
Whenever you ride the E-Twow electric two-wheel scooter you risk
serious injury from collisions, falls or loss of control. To ride
safely, YOU MUST READ AND FOLLOW ALL INSTRUCTIONS AND
WARNINGS IN THIS MANUAL.
Check local laws and regulations to see where and how you may
use your E-Twow scooter legally. Obey to all applicable laws for
vehicles and pedestrians.
This manual includes basic operational instructions for the E-
Twow scooter. It cannot cover all situations where injury or death
may occur. OPERATORS MUST USE GOOD JUDGMENT AND
COMMON SENSE TO DETECT AND AVOID HAZARDS AND
DANGERS that they may encounter when riding the E-Twow. By
using the E-Twow scooter, you accept of the inherent risks of
operating this product.
FAILURE TO USE COMMON SENSE AND GOOD JUDGMENT AND
HEED THESE WARNINGS CAN CAUSE SERIOUS INJURY. USE AT
YOUR OWN RISK AND WITH APPROPRIATE AND SERIOUS
ATTENTION FOR SAFE OPERATION. ALWAYS USE CAUTION.

4
SAFETY
1. The product is only for adults (above 18 years). Please do not carry two
adults at the same time. Is not suitable for minors.
2. Always inspect the scooter prior to use. Properly inspecting and maintaining
your product can reduce the risk of injury.
3. Please wear your safety helmet and other protective equipment when riding.
Use an approved bicycle or skateboard helmet that fits properly with the chin
strap in place and protects the back of your head. Local legislations may require
riders of two wheel products to wear a helmet and other protective gear. Never
ride the scooter barefoot or in open-toed shoes or high-heels.
4. Do not ride in traffic lane or unsafe roads and do not break local regulations.
5. Please exercise in wide areas, and ride only after you have a good control
of the scooter. Please do not ride in traffic lane.
6. Do not make any dangerous actions when riding or riding with one hand.
Keep your feet on the scooter.
7. Do not attempt to ride the scooter on stairs that are above 3 cm, it may
overturn causing injuries and/or damages to the rider and/or scooter.
8. Highest speed is 30 Km/h. For your safety, please limit the speed to 20
Km/h. Please try to avoid using it at night, if needed, please limit the speed within
15 Km/h or less and turn the headlights on.
9. Do not use the scooter when the outside temperature is lower than 0ºC.
10.Please slow down or get off from the scooter when riding in poor road
conditions.
11.Do not ride the scooter in oily or icy surface terrain.
12.Please adjust the handlebar according to your height to ensure a safe
riding.
13.To avoid damages of the electrical parts of the vehicle please do not
immerse the scooter in the water with the depth of more than 4 cm and do not
wash it with water under pressure.
14.For protection, please do not ride the scooter in bad weather such as heavy
rain and high winds.
15.Do not drink alcohol and drive E-Twow scooter.

5
MAIN PARTS
1. Handlebar 6. Folding hook
2. Display 7. Battery charging jack
3. LED headlight 8. Folding lever
4. Hooter 9. Folding axel
5. Lock lever 10. Rear brake

6
FOLDING/ UNFOLDING STAGES
Folding stages
A –Unfolded B –Folded handlebars
C –Fully folded
Folding steps
1. Open the lock lever, as shown in figure (a) and (b).
2. Press the red button, figure (c), at the same time press down handlebars as shown in figure
(d) and push the lock lever to the lock position.
3. Hold the handlebar with both hands, push buttons shown in figure (e).
Pull out the handlebar grips, figure (e), up to the maximum and fold downwards to maximum
like in figure B, from above.
4. Push the handlebar forward when you press the folding lever in the direction of the arrow in
the figure (f).
5. Continue folding the scooter until the folding hook reaches the opening located on the rear
brake, as detailed in figure C from above.

7
(a) (b) (c)
(d) (e) (f)
(g)
Unfolding steps
1. Press the rear brake fender in the direction of the arrow, as shown in figure (h), until the
folding hook is released from the opening located on the rear brake. Then, lift the handlebar
until it reaches the normal position and the locking bolt comes into place, like in figure (i).
2. Raise the two handles of the handlebar until they automatically return to the normal position,
figure A.
3. Push the lock lever like is shown in figure (a) and (b) and lift the handlebars to the desired
height. Now press the button shown in figure (c) and secure it in one of the two holes, as
desired. Then close the lock lever and make sure that you always keep the lever secured and
tightly closed.
(h) (i)

8
OPERATION
Basic instructions
Operating Instructions
a) ON/OFF
Press the switch for 3 sec, and the display will light up, indicating that the power is on. Press for
3 seconds if you want to turn it off. The scooter will turn off if you don't use it for more than 3
minutes.
b) Speed control
Press the right thumb lever accelerator to control the speed (1-30km/h).
c) Breaking Control
Press the left thumb lever and the electronic magnetic brake will be activated. The more you
press, the greater the braking force will be.
d) Horn
If you turn on the power, when pressing the horn button, it will honk.
1. Thumb accelerator
2. Switch button handlebar
3. Setting button
4. On/Off light button
5. Horn button
6. Handlebar
7. Square tube
8. Folding bar
9. Front fender
10. Battery front cover
11. Protection cover
12. Folding buttons
13. Thumb electronic magnetic
brake
12
12
13

9
e) LED Headlight
In manual mode: Press the On/Off Light button when needed and there will be a sign in display
indicates the light is turn on. Press the button again when you do not need the light. Keep
pressed for a few seconds.
The scooter is equipped with a sensor light that detects the need of light. The light will turn on
automatically (auto light mode) if the sensor detects poor ambient light.
For example: when is cloudy weather and the auto light mode is on, the light turns on. If the
daylight is proper, the auto light mode detects the light and the headlights will go off after 5
seconds.
On auto light mode, the display is also lighted depending on the ambient light.
If the scooter is on auto light mode, you can go to manual mode by pushing the On/Off Light
Button until the sign “Auto” disappears from the screen.
f) Mileage Show
When the display is powered, it displays 2 modes: total and trip. You can change it by pressing
the settings button. In 'trip' mode, press the setting button (S) for 3 seconds and it will clear the
trip.
g) Emergency
In an emergency, it’s recommended to use the foot brake.
DISPLAY FACTORY SETTING
10 –Headlight icon
11 –Speed
12 –Battery
13 –Temperature
14 –Displays the total or trip distance
15 -Trip total (ODO) or total mileage from the last reset (TRIP)
11
13
14
15
12

10
MENU for SPEED LIMIT
a. To set up speed limit:
- Turn off the display
- Press and hold thumb brake
- Power the display
The display will show " L1"
b. Move to menu with button [ LIGHT] L1-L2-L3-L4-L5
- To set up and save the speed limit, press button[SET]
- To finish the settings, release thumb brake.
MENU for SETTING
a. To set up one of this program:
- Turn on display
- Press and hold thumb brake
- press the button [ POWER]
The display will show: P1
b. Move to menu with button [ LIGHT] P1- P2- P3
To set up and save the setting, press key [ SET]
TO finish the settings, release thumb brake.
*P3 –Turns off the acceleration so that both handles become regenerative brake
handles
ERROR CODE
E1 - Overcurrent protection ( Motor does not move more than 4 seconds) -
this error clears after release the acceleration throttle.
E2 - Communication error ( No communication for more than 400ms) - this
error clears when starting the communication.
E3 –Overvoltage error ( Battery voltage higher) –this error clears if you put
back the original battery.
L1 = Limit the speed to 6 km/h
L2 = Limit the speed to 12 km/h
L3 = Limit the speed to 20 km/h
L4 = Limit the speed to 25 km/h
L5 = Limit the speed to 30 km/h
P1 = Zero Start [ ON/OFF]
P2 = Cruise Control [ ON/OFF]
P3* = Acceleration [ON/OFF ]

11
RIDING OPERATION
Getting Ready!
1. Choose a suitable venue for riding.
2. Unfold the scooter in accordance with the instructions.
3. Adjust the T-pipe to the suitable height according to your height.
Start
1. Press the power button to turn on the power.
2. Stand one foot on the scooter and leave another foot on the ground.
3. Gently press down on the right thumb accelerator, the scooter will immediately move
forward slowly. Place the foot which is on the ground on the scooter. With your right thumb
press the right thumb accelerator. The bigger the pressure, the faster it will go.
Brake
1. Electromagnetic brake - pressing the left thumb electronic magnetic brake will activate
the electromagnetic brake, which will power off the scooter and apply the brake. The more you
press, the greater the braking force will be.
2. Mechanic brake - E-Twow also has a mechanic brake, which is activated by pressing
with the foot on the rear fender. This also activates a sensor that stops the front wheel motor.
Cruise control –P2
This option allows the user to set and maintain a constant speed, without keeping the
acceleration lever pressed. Press the acceleration right thumb and keep the same speed for 5
seconds and the cruise control will automatically begin. Then you can release the acceleration
lever, and the scooter will continue cruising with the same speed. You can switch the function
off easily as well, by pressing the brake or acceleration lever gently. The cruise control function
is not activated by default, you need to activate it after the purchase of the scooter.This
function can be activated or deactivated from the central control unit, according to the user’s
needs.
Zero start –P1
This function is designed for safety reasons. The option allows the acceleration to be activated
only the scooter is first pushed with the foot and the wheel is in motion, ensuring that the
acceleration lever is not actioned by mistake. The zero start function is not activated by default,
you need to activate it after the purchase of the scooter. This function can be activated or
deactivated from the central control unit, according to the user’s needs.
Maximum Speed Limitation –L1, L2, L3, L4, L5
A lot of countries have a legislation that imposes a speed limitation for electrical vehicles. Once
a maxim speed is set, the scooter won't exceed that speed. The maximum speed limit options
are 6km/h, 12 km/h, 20 km/h, 25 km/h. This function can be activated or deactivated from the
central control unit, according to the user’s needs.

12
BATTERY AND CHARGER
Each E-Twow electric scooter is equipped with a special lithium polymer battery and a special
smart charger. These accessories that come with each scooter have a dedicated number,
please do not use the chargers from other brands. If the battery or charger will be damaged
owing to these, our company will not be responsible. Also, each model has a different type of
charger, as detailed below. Please do not use a charger from another model! ( 37.4V WITH
3.5A)
Battery
When you buy the E-Twow electric scooter, before the first use, please charge the battery fully.
The E-twow battery can be charged at any point, and it is advisable to keep it as much as
possible fully charged.
Warning: do not use batteries from other brands, it will not work with the E-Twow scooter.
Please charge the battery once every three months, even if you don’t use the scooter, to
maintain the battery fully functional and prolong it’s life span.
Water immersion, collisions, and other abnormal factors will lead to battery damages, which are
not covered under warranty.
Charger
The company provides a dedicated charger which has a charging protection function: when the
battery is 100% charged, the charger will automatically stop charging. Charging time is no more
than 3 hours.
Water immersion, collisions, and other abnormal factors will lead to charger damages, which
are not covered under warranty.
Charge Description
First connect the charger plug into the power socket. Then, open the rubber protective cover
and put the charger connector into the scooter’s charging socket.
The scooter is charging when the charger light is red, and the charger light turns green when
the battery is fully charged.

13
MAINTENANCE
Lubricating
Please add a small amount of grease or lubricants to handle folded position, rear shock
absorber and all the joints of the scooter, every six months.
Please check the scooter’ screws every three months to ensure they do not get loose.
Battery
The lithium polymer batteries provided by our company can be recharged at least 500 times,
the normal use can reach more than 1,000 times.
Storage and care
Do not expose the scooter under the sun or wet places for too long time. Please store the
scooter in a dry and warm environment, away from draft and moist, where the temperature is
constant and at least 15 degrees. Please keep the scooter clean and dry.
For cleaning use a damp cloth and a mild detergent.
GENERAL TROUBLESHOOTING
Checklist
When the products have any problems, please refer to the following methods.
a) LED display black screen
Reason: Exposure under the sun for too long.
Solution: Place it in shadow and it will return to normal after a period.
b) Values from the display do not fit the actual values.
Reason: Parameters are set incorrectly or missing.
Solution: Please reset the display to the factory settings.
c) No information on digital display
Reason: Bad battery contacts or the battery is dead.
Solution: Turn off the power then restart again, if the problem still occurs, please contact
your local reseller.
In case that the product still does not operate normally, please contact your local vendor or
reseller.

14
PRODUCT SPECIFICATION SHEET
Specifications
BOOSTER PLUS
Overall
Expand Size
940*1160*135mm
Overall Fold
Size
940*330*150mm
Scooter
Weight
10.9 Kg
Capability
Maximum
load
110 Kg
Top Speed
30 km/h
Grade Ability
25 degree slope
Range (with
fully charged
battery)
max 35 Km
The autonomy can vary according
to the weight of the passenger,
speed, slope degree, wind speed,
road conditions, temperature and
other factors
Power
Consumption
6.15Wh–7.5Wh/Km
The autonomy can vary according
to the weight of the passenger,
speed, slope degree, wind speed,
road conditions, temperature and
other factors
Battery
parameters
Type
Li-po Lithium Battery
Capacity
33 V; 6,5 Ah
Motor
parameters
Motor type
Brushless DC Motor
Rated Output
Max. Power
500W
Charger
parameters
Input Voltage
110V/220V
Charging time
1.5-2hr
(charger)
(3.5A)