Please charge the batteries for 6-8 hours when the battery level decreases to 30%-50% in order to extend the
service life. If stored at a low battery level, the batteries will be exhausted and cannot be reused. Please
charge the battery pack fully after long-distance riding. Please do not charge the batteries for a long time
(namely “more than 10 hours”) in summer in order to avoid damage.
The batteries should be charged monthly during storage.
The charging temperature should be 10-45℃.
The battery pack may not be fully charged if the temperature is too high or too low.
The temperature may rise slightly when the batteries are charged, but it should be limited to 50℃. If the
indicator light of the charger remains unchanged or the batteries are very hot (the temperature is above 50℃)
after the batteries are fully charged, please consult the seller about maintenance immediately.
After the batteries are removed from the bicycle, try to reduce vibration and disturbance in order to avoid
damage. Keep the charger far away from water.
Every battery pack is designed with a charger. Please do not charge the battery pack using other types of
charger in order to avoid burn-out of batteries and danger thus incurred.
The batteries should be stored at a temperature of 0-45℃ in a clean, cool, dry and well-ventilated place. The
batteries should be protected from sunlight, fire, flood and corrosive substance during transportation and
storage.
Please keep the button at the head of the battery holder at “ON” during charging.
Please ensure no short circuit of the socket in the wall in order to avoid burn-out of batteries and danger thus
incurred.
Please do not pull out the power key while riding at high speed.
Description of Battery Maintenance and Charging
Chain Tension
1.Please thoroughly read the chain tension adjustment manual attached for a detailed understanding of chain
tension adjustment.
2.Ensure to lubricate and clean the chain so that it functions well.
3.Chain tension should be adjusted correctly by qualified technical personnel.
4.Maintenance should be conducted especially in a humid or dusty environment.
5.Chain tension should be about 15mm.
6.While adjusting the chain, loosen the nut of the rear spindle, adjust the fastening screw of the chain and
tighten the screw of the rear spindle.
1.Ensure the inflating volume of the tires is limited to the recommended value indicated on the side wall of the
tires.
2.Ensure the tires have patterns and are free from bulge or excess wear.
3.Ensure the rims run normally and do not waggle or bend obviously.
4.Ensure all wheel spokes are secure and not broken.
5.Inspect whether the nut of the spindle is tightened. If the bicycle has a quick release spindle, please ensure
the locking lever is fastened and at OFF position.
Wheel Set Damage and Wear
10
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