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Old 10-17-2021, 11:59 PM   #1
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Ford E450 alternator with Lithium batteries

I recently swapped my lead acid battery pack (3 12 volts) for 3 12volt Battle born batteries. As far as I know the alternator is factory original (2006).

My questions are:

1) Should I add a second alternator dedicated to battery recharging? If so recommended brand/model and output size? How hard is this upgrade?

2) What are the chances of overloading/overheating the alternator at various engine RPMs when the battery bank is say at 60%?

Many thanks for input on either or both questions.
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Old 10-18-2021, 10:17 AM   #2
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I believe you will want to put a DC to DC charger on the line leading to the lithium batteries.

There is a ton of info about these in the "Going Green" section.

https://www.irv2.com/forums/f56/


Here is an ongoing thread: https://www.irv2.com/forums/f54/dc-t...er-557407.html
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Old 10-18-2021, 08:25 PM   #3
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Thanks John, great information.
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