CARBEST Charging Booster DC-DC Battery Charger| 821820/821821
Adjusting the selectors
• Selectors 1 and 2 are used to choose the type of charge in relation
to the type of battery.
• Selector 3 is used to choose the type of refrigerator.
• Selector 4 allows autonomous operation without a D+ signal.
The «ON» position of the dipswitch is towards the rear side of the DC/DC booster
housing.
Position
ATTENTION
Designation
Open Lead
AGM
Gel
Lithium
FRIDGE «absorption» type
FRIDGE «compression» type
Autonomous operation without D+
WORKS only with D+
27
Comment
14,4 V - 13,2 V
14,5 V - 13,6 V
14,2 V - 13,6 V
14,4 V - 13,8 V
EN