Charging program – CTEK MXS 25 User Manual
Page 3

EN
EN • 5
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 ANALYSE
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 gasing in the battery. Gasing 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
VOLTAGE (V)
CURRENT (A)
ANALYSE
RECOND
PULSE
DESULPHATION
SOFT START
BULK
ABSORPTION
14.4V
25A until 12.6V
Increasing voltage
to 14.4V @ 25°C
25A
1
7
Limit:
Max 20h
Max 12h
3 minutes
30 min or 4h
depending on
battery voltage
10 days
Charge cycle restarts
if voltage drops*
Charge cycle restarts
if voltage drops
Max 4h
14.4V
25A until 12.6V
Increasing voltage
to 14.4V @ 25°C
25A
14.4V @ 25°C
Declining current
14.4V @ 25°C
Declining current
Checks if voltage
drops to 12V
Checks if voltage
drops to 12V
Max 13.6V
25A
13.6V
25A
13.6V
25A
12.9V‒14.4V
18‒4.5A
12.9V‒14.4V
18‒4.5A
Max 4h
2
3
4
5
FLOAT
6
8
RECOND
SUPPLY
NORMAL
Max 15.8V
1.5A
*Suppl
y pr
og
ram is no
t time or v
oltag
e limited.
ChARGiNG PROGRAM
20015541D MXS 25, Manual EU, Print file 003.indd 5
2011-10-11 11:30:15