YD-EM279
15
PREMIUM E-MOBILITY
7
Reduced range
after one
charge
Reduced range
1. The battery is under-
charged due to a charger
fault
1. Overhaul or replace the charger
2. Test or replace the battery
3. Check tire pressure for severe
overload or motor fault
4. Check the brake system
2. The cycle life of the bat-
tery decays
3. The discharge current of
the battery is too high
4. Under - inflation of tire
5.
Resistance in the brake sys-
tem
3.1 Charger
3.1.1 Overview
The charger is a device to replenish the energy for the battery of the vehicle. The charger of this vehicle is an intelli-
gent charger with multiple protection, such as overcurrent, short circuit, flowing backward prevention, input
overvoltage, output open circuit, internal temperature protection and minimum charge limit, including charger, battery
butt plug and AC three - pin plug.
Warning:
●
Read the instructions carefully before charging.
●
This product is only for indoor use and shall be kept away from rain.
Note:
It is strictly prohibited to charge in a confined space or under the hot sun and high temperature environment. Do
not place the charger in the saddle or trunk for charging.
When charging, plug in the battery first and then apply the mains supply; after full charging, first cut off the mains
and then unplug the battery.
When the green light is on, cut off the power in time. It is forbidden to connect the charger to the AC power for a
long time without charging.
In case of abnormal indicator light, peculiar smell or overheated charger case during charging, stop charging im-
mediately and check or replace the charger.
Do not disassembly or replace any part of the charger.
Do not charge non - rechargeable batteries.
When the red light is on, the battery is charged, and when it turns green, it is fully charged.
Strictly prevent output opposite to the battery polarity.
Warning:
●
The battery contains explosive gas and must be kept away from flame or spark. Sufficient ventilation shall be provided
during charging.
3.1.2 Charger protection functions
Overheat protection
When the internal temperature of the charger exceeds 70°C, the charging current
will automatically reduce. When the temperature exceeds 80°C, the charger will shut
down for protection. When the temperature drops, the charger will automatically re-
sume charging.
Short circuit protection
In case of unexpected short circuit of the charger output, the charger will automatical-
ly close the output. After troubleshooting, the charger shall be restarted.
Reverse polarity protection
When the battery is connected in reverse, the charger will cut off the connection be-
tween the internal circuit and the battery and will not start charging to prevent dam-
age.
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