Thread: 12 volt Battery
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Old 11-07-2013, 04:21 PM   #10 (permalink)
jray3
Karmann Eclectric
 
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Join Date: Feb 2010
Location: Graham, WA
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Odysseus - '00 Honda Odyssey

MR BEAN - '12 Mitsubishi i-MiEV SE

Karmann Eclectric - '71 VW Karmann Ghia Electric Conversion

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Cross-post from another thread....

My ultracap bank is seven 2600 Farad Maxwells, put together with a balancer by EBay seller cusdn. Here's a current listing for an identical version.

Maxwell BCAP0010 7 Ultracapacitor Surge Booster Assembly | eBay

I put it inside a plastic box with an Anderson connector, so can easily swap it from vehicle-to-vehicle. It can crank the 6.9L International IDI diesel all by itself, but sure puts a load on the alternator right away, since ultracaps want those electrons back just as fast as they'll give 'em up!
I've yet to try it for a long drive in the EV conversion, but intend to.

Hadn't put two-and-two together yet for using it as part of an alternator shutoff/delete. Running off the ultracap only provides such a small buffer that it would pert' near immediately transfer all load to the alternator, but switching in a lithium house battery that can maintain 15V under load sounds like a great way to unload the alternator. Thanks!
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