Operating manual and inspection booklet
Overview
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5.4.1.1 Supply battery
General The supply battery is of AGM type.
The supply battery supplies all activated 12 V devices when the
system is not connected to an external power source. Thus, the
supply battery is continuously discharging.
NOTE
Only supply batteries of the same type and same
capacity can be switched in parallel or used as
starter/motorhome battery.
Battery compartment The seat console underneath the front passenger seat has space
for up to two supply batteries. As a standard, each vehicle is
equipped with one battery which is secured by using a 50 A fuse.
AGM battery The AGM battery (Absorbant Glass Mat) is a powerful lead-acid
battery. They do not contain free sulphuric acid and can be
operated in any position. The acid cannot escape even if the
AGM battery breaks.
The list below provides a summary of the advantages of an AGM
battery:
Low maintenance (closed system)
High cycle stability, long service life
Low spontaneous discharge, long storage life
Leak-proof/no gas formation/no corrosion/no drip tray
High shock and vibration resistance
After its initial operation, the AGM battery must be recharged
monthly. Depending on the outside temperature and the actual
amount of discharge, the charging intervals can be adjusted
individually.
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