User Manual

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needs.
3) Rotate CV potentiometer counterclockwise more than 10 turns if the output
voltage can not be adjusted.
4) Rotate CC potentiometer counterclockwise more than 10 turns at first.
5) Short circuit between OUT+ and OUT-(Connect both by wire). Or test Output
short circuit current by multimeter at 10A or 20A (Connect two Test Probes to
output terminal on module). Or Short circuit output terminal directly.
6) Rotate CC constant current potentiometer clockwise to set output current
according to require over-current protection value.
7) Test and using.
8) The output voltage will decrease due to the current sampling resistor at the output.
The higher the current, the more the voltage is reduced.
9) Output current can not keep fixed value output.It changes with load. But It can
not exceed setting output current value.
2. As a charger:
1) Connect right input voltage at input terminal. (Note:Please don’t connect load
during setting parameter).
2) Short circuit between OUT+ and OUT-(Connect both by wire), Or test output
voltage by multimeter and adjust CV potentiometer to make sure output voltage
reach to required floating charge voltage. (If charge a 3.7V lithium battery, adjust
the output voltage to 4.2V). Or Short circuit output terminal directly.
3) Rotate CC potentiometer counterclockwise more than 10 turns at first.
4) Test Output short circuit current by multimeter at 10A or 20A (Connect two Test
Probes to output terminal on module)
5) Rotate CC constant current potentiometer clockwise to set output current
according to required charge current value.
6) Connect battery at output terminal and start to charging.
3. As a high power LED constant current driver: