7
NOTE:
Pay attention to using the local standard plug.
According to the provisions to charge or storage battery, otherwise the battery will be damaged and its
service life will be shorter.
Affecting the battery life. U2
’s charging time is about 1.5 hours, and the long charging time will affect
the battery life
WARNING! The charging environment should be clean and dry. Do not charge when charging
port is wet.
Over-Temperatures and Low-Temperature Conditions
To get most highly efficient of U2 operation, the temperature of the battery shall be within the scope of
temperature marked in battery specifications. If the temperature is too high or too low in the process of
U2 driving, the system will trigger safety alarm. The temperature of U2 before and in the process of
charging shall be within the scope of the recommended value. When the temperature approaches the
recommended value, the efficiency of charging will be the best. But when the temperature is too high
or too low, the charging time will b
e lengthened or the battery can’t be fully charged.
Detailed Battery Specifications
Battery Type
Lithium Battery
Charging Time
1.5 ~ 2 Hours
Voltage
36V
Battery Weight
1KG
Initial Capacity
4.4Ah ~ 8.8Ah (Optional)
Working Temperature
-15 ~
50°C
Charging Temperature
-15 ~
50°C
Relevant Humidity of Storage
5% ~ 50%
Notes Needing Attention When Transporting the Battery
WARNING! Lithium Battery is considered as a hazardous substance, so its transportation shall
get lawful permission.
NOTE:
If you need to make an air shipment of U2 loaded with a lithium battery or adopt any other
means of transportation to separately transport U2
’s lithium battery, please contact our company or
agent designated by our company.
SAFE USE OF U2
Our company hopes that all drivers can drive U2 safely and enjoy infinite pleasure. You can recall how
you learn to ride a bike, drive a car, ski or use other similar vehicles, all these experiences can be
applied to our product. By conforming to the contents in User Manual, you can drive U2 safely. We
highly recommend that you should carefully read through User Manual when you drive U2 for the first
time. Before driving U2 each time, please check if U2 tire is damager or some parts are loosing. If
there is any abnormal condition, please contact our agent to maintain it ASAP. Never drive U2 in the
rainy days, it’s very dangerous.
WARNING! Please read the User Manual carefully and will get a lot of important safety
information including speed limit, vibration warning, safe shutdown and other issues.
Correctly install individual components before using U2 to prevent damage to the U2.
Please do not use U2 to make anything harming the personal or property safety.
