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Opening the cover is not recommended, as there is a danger of electric shock and
WARNING
serious injury.
If the metal strip is damaged, contact a qualified nautical electrician. If it is
necessary to open the cover, make sure that all the current cables from the
batteries are disconnected.
4.2.7 Batteries
The boat is equipped with 2-4 batteries. The amount of start batteries depends on the engine selection.
The start batteries supply current to the engine(s) and engine-related equipment, and the service battery
for other appliances and equipment on the boat. There is a separate battery for the bow thruster.
The dual battery system has been designed and built so that the boat's engine starts even if its service
battery is empty. When the dual battery system has been installed, the start battery only supplies
current for the engine system. All other power consuming devices have been connected on to service
battery. The batteries are charged by the engine alternator. Charging of the batteries is arranged so that
the start batteries are always prioritized. Once the start batteries are full, charging of the service batteries
starts automatically.
The batteries are located in the aft of the boat. The exact location of the batteries is presented in the
section Electrical System.
Only use maintenance-free AGM batteries in the boat.
WARNING
4.2.7.1 Charging the batteries
WARNING
Brabus Shadow 500 Cabin 2020
Owner's Manual
© 2022 Axopar Boats / Brabus Marine
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•
When you leave the boat, switch off the current from the main switch.
•
Remove the batteries from the boat for winter storage.
◦
When removing a battery, detach the negative pole first.
◦
When disconnecting batteries, be careful not to touch both poles at
the same time with a metal tool.
•
Make sure that the battery compartment is always well ventilated when
charging batteries.
•
Only charge batteries in the boat with the boat's own chargers. In other
cases, remove the batteries from the boat.
•
Remember that the batteries discharge an explosive oxy-hydrogen gas at
a voltage of 14.4 volts.
◦
The voltage of a normal battery in unloaded status is 12.3-12.7 V.
◦
During charging, the voltage increases and the charging regulator
stops the charging process automatically at a preset level.
◦
The voltage measurement must be taken at the battery terminals,
not the alternator, to achieve the correct result.
4 Product description
Document ID: 500CMY20202205EN
Page 30
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