SONGZO M60, User Manual

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2.4 How to charge the battery correctly:
1. Whether you want to take out the battery for charging or charge the battery on the bike, you should first
plug the charger's charging port into the battery port/bicycle charging port, and then plug the charger's plug
into the power source.
* Please follow this order! ! !
2. When the indicator light of the charger changes from red to green, it means that the battery is fully
charged.Under normal circumstances, it takes 4-6 hours from a dead battery to a full charge.
3. In order to ensure safety, the battery should be placed out of the reach of children when charging and
there should be no other high-power electronic products or flammable or explosive materials around the
battery.It is forbidden to use the charger in an environment with excessive smoke, dust, humidity, and direct
sunlight. Do not use the charger during thunderstorms. Please maintain good ventilation and heat dissipation
conditions when the charger is working.
3.1 Check for loose parts
1. The torque of the handlebar, handlebar support tube, and saddle tube must reach 18 N·m whenlocked.
2. The locking thrust of the folding lever must reach 15-17 kgf, and the release force must be greater than 5
kgf.
3. The tightening torque of the front wheel nut must reach 18 N
·
m, and the tightening torque of the rear nut
must reach 30 N·m.