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03-30-2016, 12:35 PM
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#1 |
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Gone Wild
Join Date: Oct 2008
Location: Wildwood, FL
Posts: 742
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lithium low voltag cut off
I'm in process of doing a lithium conversion and was thinking to tie into the Tow/Run switch wires for my low voltage cut off or would tying in at the key switch be better?
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03-30-2016, 02:55 PM
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#2 |
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Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 6,798
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Re: lithium low voltag cut off
Tow/run would be a good way but I just went with a loud alarm on mine. It's as loud as my original backup alarm.
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03-30-2016, 02:57 PM
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#3 |
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Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 6,798
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Re: lithium low voltag cut off
I'm not sure it's a good idea to have it just quit without warning. You could be crossing a road or something. Most electrics powered by Lithium have a limp mode.
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03-30-2016, 05:01 PM
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#4 |
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Gone Wild
Join Date: Mar 2016
Posts: 264
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Where are you getting the pack? How many AHrs?
Sent from my iPhone using Tapatalk |
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03-30-2016, 07:07 PM
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#5 | |
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Gone Wild
Join Date: Oct 2008
Location: Wildwood, FL
Posts: 742
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Re: lithium low voltag cut off
Quote:
It would be nice to be able to do a limp mode or an alarm but I would still want it to shut down at a certain point. |
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03-30-2016, 07:08 PM
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#6 | |
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Gone Wild
Join Date: Oct 2008
Location: Wildwood, FL
Posts: 742
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Re: lithium low voltag cut off
Quote:
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03-30-2016, 08:43 PM
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#7 | |
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Voltaholic
Join Date: Dec 2013
Location: Close to Navasota Texas
Posts: 934
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Re: lithium low voltag cut off
Quote:
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03-30-2016, 08:49 PM
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#8 |
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Gone Wild
Join Date: Oct 2008
Location: Wildwood, FL
Posts: 742
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Re: lithium low voltag cut off
Leaf, see details here http://www.buggiesgonewild.com/elect...ion-x-2-a.html
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03-31-2016, 09:18 AM
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#9 |
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Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 6,798
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Re: lithium low voltag cut off
Then I recommend you do an alarm at around 15-20% SOC and only shut down at 10%. Without a BMS you should not trust that the pack is balanced well enough to go below 10 or 15% SOC. Remember that the lowest cell is the one will you kill if you take it too low.
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03-31-2016, 06:18 PM
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#10 |
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Gone Wild
Join Date: Oct 2008
Location: Wildwood, FL
Posts: 742
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Re: lithium low voltag cut off
Ya, I was actually planning on cutting it off around 20%. I disconnected the back up alarm when I first got the cart, so I will utilize it for the alarm at about 25%
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