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D.C. Systems
Most of the equipment in the boat is d.c. powered directly from the 12v battery.
When the engine is running there is plenty of power available. When it’s not running it’s important
to conserve the battery power.
Batteries
I
T IS
I
MPORTANT
T
O
T
RY
N
OT
T
O
L
ET
B
ATTERY
C
APACITY
F
ALL
B
ELOW
60%
OR
12.3
V
Permanent damage can result if the batteries are over discharged. Especially if left in a discharged
state. The batteries are Very good quality & very expensive to replace. (around £120 each and there
are 4).
Lena has two sets of batteries.
Starter battery
The starter battery is only used to start the engine. It is very unlikely you will need to worry about
the starter battery.
If required you can view the starter battery voltage on the BM-2 battery monitor. To do so press the
V&A
button twice. The Starter Battery will be displayed with the Letters ‘St’. open circuit
Table 1 - battery State of charge (open cct.)
State of
Charge
No load
voltage
100%
12.70+
75%
12.40
50%
12.20
25%
12.00
0%
11.80
It is unlikely the starter battery will fall below 12.5v, if it does call me.