dual battery system navara d40

After many headaches!
I have found that Standard dual battery setups do not work on the latest Navara due to the fact that the alternator rate of charge is set by the computer and can fluctuate anywhere between 11.9v to 14.9v constantly.
this means you are unable to connect the starting battery and aux battery together as in other vehicles.
solution is a 12v to 12v battery charger available from Redarc code BCDC1220 has been designed to allow for variable volts and works from ignition.
I had many issues with my navara as had wired it up for dual battery, even took it back to nissan several times as voltage is so erratic but this seems to be the trend for newer vehicles, so hope this is of help to navara owners
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