DYU A1F, Instructions For Use Manual

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NOTE
Battery and Charging：
Only charge at 0°~ 45°, discharge at -20°~ 60°, keep the battery dry. Do not put the battery in acidic
or alkaline liquids, avoid rain, and keep the battery away from fire, heat and high temperature environments.
The negative pole is reversed, and it is strictly forbidden to damage, disassemble or short-circuit the battery.
When charging, please use the original special charger, not more than 6 hours, and the charging current should
not exceed 2A. When not in use for a long time, please store the battery in a cool and dry place, and charge the
battery for two hours every month. When charging, the user must follow the instructions for use, otherwise the
consequences will be at your own risk. Pay attention to the battery types and applicable voltages that the
charger can charge. Mixing is strictly prohibited. When charging, it should be placed in a ventilated
environment, and it is strictly forbidden to charge in a closed space or in a hot sun and high temperature
environment. When charging, plug in the battery first, then add the utility power; when fully charged, cut off
the utility power first, and then unplug the battery. When the green light is on, the power supply should be cut
off in time, and it is forbidden to connect the charger to the AC power supply with no load for a long time
without charging. During the charging process, such as abnormal indicator light, abnormal smell, or overheating
of the charger case, stop charging immediately, and repair or replace the charger. Waste batteries are hazardous
chemicals, and should not be disassembled without authorization, and will be recycled by relevant professional
departments. In the process of use and storage, pay attention to avoid the entry of foreign objects, especially
to avoid the inflow of water or other liquids, so as to avoid short circuit inside the charger. Try not to carry
the charger with the car. If you really need to carry it, it should be placed in the toolbox after the shock
absorption treatment. Do not disassemble or replace the components in the charger by yourself.
Ride：
Do not use it until you have carefully read the instructions for use and understand the performance of the
product; do not lend this product to someone who cannot operate it to avoid injury;
Please be sure to wear a safety helmet when riding a bicycle, obey the traffic rules, and are not allowed to
ride on motor vehicle lanes and roads with many pedestrians;
Carrying people or items in accordance with the requirements of laws and regulations, do not park in building
foyer, evacuation stairs, aisles and safe entrances and exits; Do not charge and park in residential buildings,
keep away from combustibles when charging, and charging time should not be too long;
Drive on the right on non-motorized vehicle lanes, downhill and paved roads not exceeding 15km/h, and drive on
the right when there is no non-motorized vehicle lane; When adjusting the handlebars or saddles, be careful not
to leak the safety line of the handlebars and saddles mark;
Please check the tire pressure before riding, the recommended tire pressure is 35-45PSI;
Before riding, please check the status of the power circuit, lighting circuit, etc.;
Before riding, please check whether the front and rear brakes work normally, check the tightening state of the
handlebars and front and rear wheels, and check whether the reflectors are damaged or polluted; when using the
motor, be careful not to hit the motor vigorously, and keep the shaft lubricated;
It is not allowed to ride more than the maximum weight of the vehicle (maximum load is 120KG); The braking
distance will be extended when riding in rain or snow, so pay attention to slow down; In bad weather such as
rainstorm, try to avoid traveling;
It is forbidden to ride with one hand. It is suitable for people between 16 and 45 years old. It is strictly
forbidden for people under the age of 16 to drive electric bicycles on the road.