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The two batteries that Maggie supports are linked together via a split-charge system. This method of running dual batteries allows the alternator to charge the primary and the secondary battery. |
I am using a standard 50Amp battery as the primary. This battery will be used purely for starting Maggie. The deep-cycle battery will support the fridge and any additional devices (like charging batteries.
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The two batteries. Left battery (black) is the primary battery and the right battery (yellow) is the secondary. |
The battery housing under the passenger seat |
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major benefit to this system is the cost. To implement a split charge
system costs a fraction compared to the fancy dual battery monitoring systems. Its
drawback is the lack of cut-off switch and the monitoring of the battery
loads.
To monitor the battery voltage, I have fitted a battery volt meter into
the dash board of Maggie so that I can monitor the voltage levels of each
battery.
The volt meter is connected to a 3-way switch allowing me to monitor each
battery.
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The 3-way switch mounted on the fuse box |
The volt meter embedded in the dash board (far right dial) |
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Components used to monitor the batteries:
3-way switch (Halfords)
Volt Meter (Halfords)
Wire (Halfords)
Total cost: £35
