Battery type

[zabooda]

Supra does not recommend running in 1+2 mode.


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Not sure why having the switch and having HD alternator if they don't want to simultaneously charge all of the battery banks. I can see issues if one didn't know how or when to operate the switch. They should automate it then as the motor home industry has been doing for years.

[parrothd]

Not sure why having the switch and having HD alternator if they don't want to simultaneously charge all of the battery banks. I can see issues if one didn't know how or when to operate the switch. They should automate it then as the motor home industry has been doing for years.

You can install marine isolator, they're cheap, it automatically charges both batteries, but keeps the batteries separate.

One battery for your stereo and another battery for starting. You don't need to mess with the switch, it does it automatically.