CTEK 1087 - Lead-Acid Charging Steps; Step 1: Desulphation; Step 2: Soft Start; Step 3: Bulk Charging

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STEP 1 DESULPHATION
Detects sulphated batteries. Pulsing current and voltage, removes sulphate from the lead
plates of the battery restoring the battery capacity.
STEP 2 SOFT START
Tests if the battery can accept charge. This step prevents that charging proceeds with a
defect battery.
STEP 3 BULK
Charging with maximum current until approximately 80% battery capacity.
STEP 4 ABSORPTION
Charging with declining current to maximize up to 100% battery capacity.
STEP 5 ANALYZE
Tests if the battery can hold charge. Batteries that can not hold charge may need to be
replaced.
STEP 6 RECOND
Choose the Recond program to add the Recond step to the charging process. During the
Recond step voltage increases to create controlled gassing in the battery. Gassing mixes
the battery acid and gives back energy to the battery.
STEP 7 FLOAT
Maintaining the battery voltage at maximum level by providing a constant voltage charge.
STEP 8 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.
1 2 3 4 5 6 7 8
15.8V 2.3A until 12.6V Increasing voltage to
14.4V. 2.3A
Declining current
14.4V
Voltage limit 12V 13.6V
2.3A
12.7V–14.4V
2.3A–1.0A
Max 15.8V
0.9A
Time limit: Max 4h Max 20h 16h 3 minutes 2h or 6h 10 days
Max 1h pulse.
Auto pulse every 24h
LEAD-ACID