Warning, Small service battery – CTEK SMARTPASS User Manual
Page 15
EN
EN • 17
WARNING!
Max 23 V input
WARNING!
D250S DUAL is not reverse
polarity protected
SITUATION
One alternator feeding a Starter battery
and a small Service battery.
PROBLEM
The Service battery will take a very long
time to recharge due to low alternator
voltage. Due to this, the battery will
underperform and die prematurely.
SOLUTION
The D250S DUAL charges the Service
battery quickly and very efficiently. The
battery will be fully charged, produce
more and last significantly longer.
TIP 2
Refer to Tip 1.
Alternators with voltage sensor cables
should connect this on the Starter battery
Caravan/trailer: For 13-pole contact,
connect D250S DUAL alternator battery
+ to pin #9. Connect pin #13 to D250S
DUAL vehicle ground –.
INSTALLATION ShEET 2
SMALL SERVICE BATTERY
D250S DUAL
12V
+OUT
+IN
+IN