X2Power SLC10004A - 12 V Charging Modes; 12 V Normal Mode; 12 V Cold;AGM Mode; 12 V Small Mode

Do not operate the charger until you confirm the appropriate charge mode for your battery.
Here is a brief description.
CHARGING MODES
# VOLTAGE MODE DESCRIPTION OUTPUT
BATTERY
SIZE
1 12V Normal
For charging 12-volt Flooded,
Gel, Maintenance-Free batteries.
14.5V /
3.8A
12Ah-120Ah
2 12V
Cold/
AGM
For charging 12-volt batteries in cold temperatures
below 50°F (10°C) or AGM batteries.
When selected, the LED will illuminate.
14.7V /
3.8A
12Ah-120Ah
3 12V Small
For charging 12-volt Flooded, Gel, Maintenance-Free
batteries. When selected, the LED will illuminate.
14.5V /
900mA
1.2Ah-12Ah
4 12V
Small -
Cold/
AGM
For charging 12-volt batteries in cold temperatures
below 50°F (10°C) or AGM batteries.
When selected, the LED will illuminate.
14.7V /
900mA
1.2Ah-12Ah