Battery charge
1. Make sure of the battery float voltage and charging current that you need as well as the input voltage of the module.
2. Adjust the constant voltage potentiometer and adjust the output voltage to about 5V.
3.Use the multimeter in 10A current scale to measure output short-circuit current and adjust the current potentiometer to make the output current to the expected charging current value.
4. Adjust the constant voltage potentiometer to make the output voltage reaches the float voltage.
5. Connected to the battery try to charge.
(1234 steps to connect the power module inputoutput no-load does not connect battery.)