CTEK D250SE Manual page 10

D250SE CHARGING PROGRAM LITHIUM
ACCEPT
1
1
LITHIUM
Max 5.0A
Time limit: 2h
STEP 1 ACCEPT
Tests if the battery can accept charge. This step prevents that charging proceeds with a
defect battery.
STEP 2 BULK
Charging with maximum current until approximately 90% battery capacity.
STEP 3 ABSORPTION
Charging with declining current to maximize up to 95% battery capacity.
12 • EN
BULK ABSORPTION
2 3
Max 20A until 14.2V Max 14.2V
20h 4h
FLOAT PULSE
4 5
13.3V 12.6V‒14.4V
Max 20A 1.4A
Max 1h pulse
2h
Auto pulse 10 days
STEP 4 FLOAT
Maintaining the battery voltage at maximum level by providing a constant voltage charge.
STEP 5 PULSE
Maintaining the battery at 95–100% capacity. The charger monitors the battery voltage and
gives a pulse when necessary to keep the battery fully charged.