HIGH
MED
LOW
POLARITY
REVERSE
BATTERY
VOLTAGE
THE FRIDGE WILL AUTOMATICALLY
CUT-OUT AT THE SELECTED
BATTERY PROTECTION LEVEL.
LOW WILL ALLOW THE BATTERY
TO BE COMPLETELY DRAINED.
12.3
12.2
12.1
11.8
11.5
11.0
10.5
10.0
9.5
12.0
13.8
13.2
12.5
12.4
BATTERY PROTECTION
ALARM
ON
5
Battery Monitor and protection
Battery voltage compared to capacity. (@ 25°C)
1
V
2.0
1 .4
V
2
12.
V
6
1
V
3.7
10%
50%
75%
100%
CHARGE
35%
FLAT
V
11.4
Battery is being
charged.
Battery is
flat.
Battery voltage compared to capacity
The Weekender is equipped with a battery monitor and low-battery
protection circuit. The battery monitor is intended to give an estimate
of the available remaining energy in a 12-volt lead-acid battery.
The battery monitor has a built-in low voltage alarm which provides
audible warning of a low-battery condition.
To activate the alarm, press and hold the button until the "ALARM
ON" indicator is illuminated.
Combined with the battery monitor is a 3-stage battery protection control. This feature
is used to prevent the connected battery from being excessively discharged.
The user has the choice of 3 protection levels. These are linked to the voltages
indicated on the battery monitor, and indicate at which voltage the fridge will cut-out.
Press and hold the button until the desired level is obtained.
The "MED" and "LOW" settings allow a deep discharge of the battery. However, due
to possible wiring loss in the application vehicle, the voltage detected by the
Weekender may be lower than the actual battery voltage.
The Low battery warning will sound when the
voltage measured by the Weekender is below
11.5 volts. It is recommended to re-charge a
battery that has been discharged to this level
as soon as possible.
The voltage of a lead-acid battery can be an indication of its state-of-charge.
By measuring the voltage, we can estimate the amount of energy remaining in the
battery.
Changes in temperature, battery age and general battery health can influence this
relationship and therefore result in inaccurate capacity measurement.
The voltage-capacity relationship is most accurate when the battery is at 25°C.
