1. Parameter setting:
a) Press and hold the SET button to enter the parameter setting interface, and the LCD will display SET;
b) After entering the parameter setting interface, short press the SET key to switch the set parameters;
c) After selecting the parameter, you can set it through the UP/DOWN key, support short press, long press (rapid increase or decrease);
d) To set other parameters, repeat steps b) and c);
e) After all parameter settings are completed, long press the SET button to exit and save;

2. Button function description:
In the running interface (main interface),
Short press the SET button to display the currently set parameters;
Short press the UP button to switch to display the charging percentage and charging time;
Short press the DOWN button to select on/off the relay enable, if the relay enable is off, it will display 'OFF' as a reminder, the relay is disconnected;
Long press the UP button to set the status of the LCD backlight (L-P), OFF: the backlight is always on, on: the backlight will automatically turn off after 5--10 minutes;
Long press the SET button to enter the parameter setting.

3.Calculation of voltage percentage:
battery voltage / (upper limit voltage - lower limit voltage)

4.Note:
Time format: 00:59 (00 represents hours, 59 represents minutes) The longest time is 99:59, which is 100 hours.

5.Package includes:
1 x Battery Charging Control XY-L10A Module
2 x 50cm/19.68in 24AWG Cable