iCharger 4010DUO - The Order of Connection for Charger; The Power Input Ground Cannot be Connected With the Output Ground; Single-channel (CH1 or CH2) Connection Notes; Connection for One Battery Pack

iCharger Synchronous Balance Charger/Discharger 4010DUO
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The Order of Connection for Charger
 The Power Input Ground Cannot be Connected With the Output Ground
 Single-channel (CH1 or CH2) Connection Notes
4010DUO with the firmware version above V2.05 (including V2.05), please be sure to connect the input power
first, after the charger starts the output anti-sparking protection (after electrifying 1 second), and then connect
the battery.
4010DUO with the firmware version below V2.05 (excluding V2.05), please be sure to follow strictly the
connection ways as below.
 Connection for One Battery Pack
Note: The input of power lead cannot be
connected directly to the output (see left
picture), and the voltage of the input power
supply cannot have large instantaneous
fluctuations, otherwise the charger will be
damaged.
Note: The left picture shows the correct order
of connection, please be sure to follow the
recommended order.
1.The spark is a normal phenomenon when
connect with the power supply(The step①),
and the higher the input voltage, the greater
the spark; you can turn off the power supply
first, connect the step①, then turn on the
power supply to avoid the spark.
2. If connect in reverse order(step②, ③, ④,
⑤ ), It will cause a greater spark when
connect with battery.