wrote in message
...
I am putting two 12V batteries together
http://www.batterymart.com/p-hawker-...t-battery.html
to make a 24V battery.

What size cable should I use to make the serial connection?
http://shop.genuinedealz.com/Marine%...ttery%20Cable/

Same size as the main battery cable. It will see the same amperage.
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Jim in NC