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The available battery capacity is significant for the calculation of running times and
ranges. This is stated in Watt hours [Wh] below. The Watt hour value can easily be
compared with the motor's stated input powers in Watts [W]:
■
The Cruise 10 FP TorqLink has an input power of 10,000 W.
■
During one hour at full throttle, it consumes 10,000 Wh.
If you use the system with just one Power 48-5000 battery, then the system is
regulated to a maximum input power of 6,300 W.
The rated capacity of a battery [Wh] is calculated by multiplying the charge [Ah] by
the rated voltage [V]. A 12 V, 100 Ah battery therefore has a rated capacity of 1,200
Wh.
For lead/acid, lead gel, and AGM batteries, the rated capacity calculated in this way
is not available in full. In addition, high currents result in losses of capacity. In order
to counteract this effect, the use of larger batteries is recommended. For lithium-
based batteries, this effect is negligible for practical purposes.
For the expected ranges and running times, in addition to the boat type's actually
available battery capacity, the selected power step (low running time and range at
higher speed) and for lead batteries, the external temperature play a significant role.
We recommend using larger batteries, rather than connecting several small batteries
in parallel.
This helps to:
■
Reduce safety risks when interconnecting batteries.
■
Counteract negative effects on the entire battery system (loss of capacity, so-
called "drift") caused by interconnection, or capacity changes which arise over
time between batteries.
■
Reduce losses at the contact points.
ADVICE
We recommend providing one charger unit for each battery. Your specialist
dealer will certainly be able to assist you in your selection. During charging,
put the main switch in the cable set to the "OFF" position. This helps to prevent
potential electrolytic corrosion.
ADVICE
As soon as a battery fails, it is recommended also to replace the other batteries.
ADVICE
We stipulate using a land connection in the boat with a galvanic isolator in
accordance with the applicable national requirements (e.g. DIN EN ISO 13297,
ABYC E-11) for charging the batteries.
5.6.2 Connecting the power cables to 2 Torqeedo Power 48-5000
Fig. 51:
Wiring diagram for Power 48-5000
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