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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.



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Unread 12-19-2016, 09:46 PM   #1
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Default 2008 EzGo RXV max voltage?

Thinking of going with some Nissan Leaf Lithium cells and would like to know how much voltage the 2008 RXV can handle before the controller or something else burns up.

Thanks,

Joel
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Unread 01-02-2017, 10:36 PM   #2
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No one has gone Lithium on a RXV? or gone with more voltage? Please let me know what you've done with your RXVs.


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Unread 01-02-2017, 11:43 PM   #3
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Default Re: 2008 EzGo RXV max voltage?

I have gone over 50v with lithium with zero problems. The controller activates the "burn off resistor" at 66v (if I recall correctly). That would happen during braking (very heavy regen) to prevent overvoltage, and you don't want to be hitting that often. I think 52-54v would be a good target. Remember, regen braking is a Rxv's only normal braking. This pack is 52.8v.
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Unread 01-03-2017, 11:08 AM   #4
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Default Re: 2008 EzGo RXV max voltage?

Quote:
Originally Posted by cgtech View Post
I have gone over 50v with lithium with zero problems. The controller activates the "burn off resistor" at 66v (if I recall correctly). That would happen during braking (very heavy regen) to prevent overvoltage, and you don't want to be hitting that often. I think 52-54v would be a good target. Remember, regen braking is a Rxv's only normal braking. This pack is 52.8v.
67v seems to be the default. it is adjustable from 45-80v with as low as a user level handset.
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Unread 10-17-2017, 10:02 AM   #5
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Default Re: 2008 EzGo RXV max voltage?

After this summer with my aging batteries, I am again looking at the option to go with the Leaf Lithium batteries. has anyone retrofitted some Leaf batteries (or similar - size/cost) in an RXV (Ac motor)?

If I go with 7 of them (@7.6 ) = 53.2 or (@8.4 max) = 58.8.

The question is, will almost 59volts be too much for the 2008 RXV's controller? to handle. I'm trying to get an idea if the cart can handle the little extra voltage from the leaf batteries before trying to piece together a solution.

Joel
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