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2016 alternator transit custom amperage draw

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2016 alternator transit custom amperage draw

Postby Maynecatt » Tue Oct 19, 2021 8:08 am

Hi there, just wondering what the maximum amps my alternator is for my Ford transit custom 2016. I’m looking at wiring up a dual battery system and want to draw 140amps with my DCDC charger and don’t want to cook the alternator. I’ve read and I’ve seen a few different amp ratings from 150amps-165amps on other pages. Can I please have come concrete clarification. Cheers guys
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Re: 2016 alternator transit custom amperage draw

Postby Nederbelg » Tue Oct 19, 2021 10:23 am

If you are going to draw that kind of current over an extended period of time, without rasing the Revs sufficiently, you are going to cook every alternator. Most alternators need minimal 3000rpm for their internal cooling to work properly. (3000Rpm in the Alternator, that is) Imho you need the option for the raised idle.

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Re: 2016 alternator transit custom amperage draw

Postby Altransit » Tue Oct 19, 2021 1:08 pm

How does any charging system need 140 amps continuous? How many batteries are you charging?

Wouldn't that figure drop significantly after just a few minutes :?
1994 Mk4 SWB 115 Minibus 70ps Di (R.I.P.)
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2004 Mk6 SWB T280 Medium Roof 85PS 2.0 TDDi - Vantunered (Also gone)
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Re: 2016 alternator transit custom amperage draw

Postby Nederbelg » Tue Oct 19, 2021 7:12 pm

I presume, he is going to use a dc-ac inverter on the 2nd battery or the 2nd battery is a Lion type.........

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Re: 2016 alternator transit custom amperage draw

Postby Chrisp74 » Thu Oct 21, 2021 6:56 pm

FYI the alternator on my 2016 2.0 limited custom was marked at 220 amps. They can deliver some big current.
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