Olsson and Brothers STROOT B8 Manuel De L'utilisateur Et Garantie page 14

Every three months, add a small amount of lubricant to the part where the handle
is folded (folded) to perform maintenance.
The tire must be replaced when any signs of wear or breakage appear,
contacting the dealer to replace the original tire.
Check for loose screws on the scooter. If there is one loosened, tighten it.
7.3. Battery
7.4. Daily placement and care.
Do not place scooters in the sun or in other severely humid places for a long
time; Please, keep the scooters clean.
LITHIUM BATTERY CHARGE
We recommend that you fully charge the battery before using your E-Scooter for
the first time: connect the charger to your E-Scooter and plug the charger into
the mains. Do not disconnect the equipment until the battery is fully charged. The
battery display indicates the battery charge.
When the scooter sends a low-power alarm, charge immediately to avoid
damaging the battery and affecting its path.
When the battery is idle for a long time, charge it at least once a month
Note: Damage to the battery due to water ingress, collision and other non-normal
factors is not covered by the warranty.
The charger is provided by a charge protection function, so that the charge will
stop automatically when the battery is fully charged at 100%.
Open the rubber cap of the charging port on the bottom side of the pedal and
insert the charger output connector into the charging port.
Connect the charger to the power supply socket. (AC100V-240V)
When the charger indicator is red, it indicates that the battery is charging, and
when the charger light turns green, the battery is completely full.
The lithium battery of this product can be recharged by cycles at least 500 times
and can be used more than 600 times under normal circumstances. When the
battery is fully charged and the mileage is only half the range of the factory,
which indicates that it should be replaced by aging the battery and replaced with
a new one.