MS ENERGY VORTEX Original Instruction Manual page 327

Handle shake
If you feel the stem is loose and shakes when you are riding, please check fron fork and
folding mechanism and tight loose part.
Open the wrench,Unscrew the screws as shown in the diagram and remove the block,then
adjust the screws,Tighten the middle nut outward to the appropriate position,so install
the block and tighten the screws,finally, close the wrench.
Battery
 Electric scooter is equipped with a lithium Ion battery. The average lifespan of the
battery is 600 cycles. Under normal use and maintenance, the battery lifespan can
generally reach more than 800 cycles with minimum decreasse of Battery capacity.
 Before using the scooter for the first time, please charge the battery to the full
charge.
 Avoid totally depleting your scooter's battery before charging. Always make sure
it is minimum 10 % charged. For satisfactory vehicle performance, the battery has
to be charged minimum 50 %.
 Do not leave your electric scooter with a significantly discharged battery for a few
hours. Charge it promptly.

When storing the electric scooter for a long period, make sure the battery is at
least 70‐90 % charged. It is advisable to charge your scooter minimum once per
30 days.
 Always use only the original charger that corresponds to the model of the scooter.
 Do not leave your electric scooter in the cold temperature below 0 or under the
direct sun. Keep the battery dry. Negative environmental conditions can damage
the battery capacity. Battery lifespan is related to storage temperature.
 Polymer lithium batteries have to be treated with extreme caution.
Unappropriated charging, damage or overheating can result in a fire. Do not leave
your electric scooter to charge without supervision. Do not leave the electric
scooter to charge overnight. Always supervise the electric scooter while it is
charging and avoid battery over‐charge. Do not use, charge or leave a damaged
battery unattended and follow the disposal protocols immediately.
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ENG