This switch is a 2 pole switch that will allow you to swap the charge from a 10A or 20A charge controller between 2 sets of batteries. Wire both sets of batteries to the switch and the switch to the output of the charge controller, you can then swtich between Battery 1 and 2 to move the charge between the 2 banks. Great for if you want to switch your charger between your leasure battery and starter battery.
To wire up
In 1: 1 Negative (or neutral) - 5 Positive (or live)
In 2: 3 Negative (or neutral) - 7 Positive (or live)
Out: 2 Negative (or neutral) - 6 Positive (or live)
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