Doubled up cables - how will it affect charging since only one runs through computer?

tndiverdown · 03-27-2010, 06:37 PM

I am running double cables and I was just wondering if there will be any ill effects from only having one cable running through the OBC and the second bypassing it. I figure there must be some sort of current sensing device in the OBC for the cable to be run like that, but with only half of the charging current now passing through the OBC, will it cause issues? I was actually thinking about putting a piece of all thread through the computer, cutting my cables, and terminating them so all the current will still pass through. Any experience or suggestions?

redriderno22 · 03-27-2010, 07:09 PM

i did the same thing, but on the main - I routed another cable around the OBC

but i eventually changed all the cables to 2 awg

tndiverdown · 03-27-2010, 09:57 PM

Yeah, I have one bypassing the OBC. I'm wondering if that's going to mess with how the OBC computes the charging cycle seeing how only half of the charge current will be read by the OBC and the other half will bypass it.

scottyb · 03-27-2010, 10:18 PM

The obc will be fine. Make sure you check your double cable connection once a month at the battery posts ... they may get loose.

golfcarfixer · 03-27-2010, 10:33 PM

Do you mean you double stacked your cables on the batteries?

scottyb · 03-27-2010, 10:59 PM

That's how I read it .... I have seen it before.

tndiverdown · 03-27-2010, 11:01 PM

I double stacked the whole cart. I just want to be sure the OBC will still monitor the battery charging process correctly. As I see it, the charge current the OBC would sense should be halved since only one of the two cables coming off the negative side of the pack actually passes through it. I'm really surprised this topic hasn't popped up before now. I just don't want to create a condition where my new batteries might be overcharged due to the OBC not seeing the full charge current actually being applied.

samsonone · 03-28-2010, 05:35 AM

it will not affect the charging you are still only putting 48 volt's to the system
samsonone
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samsonone · 03-28-2010, 05:38 AM

just don't by pass the obc oriignal wire through the obc

samsonone · 03-28-2010, 05:39 AM

it is still only going to sense the voltage as if it were stock

03-27-2010, 06:37 PM	#1
tndiverdown Not Yet Wild Join Date: Mar 2010 Posts: 5	Doubled up cables - how will it affect charging since only one runs through computer? I am running double cables and I was just wondering if there will be any ill effects from only having one cable running through the OBC and the second bypassing it. I figure there must be some sort of current sensing device in the OBC for the cable to be run like that, but with only half of the charging current now passing through the OBC, will it cause issues? I was actually thinking about putting a piece of all thread through the computer, cutting my cables, and terminating them so all the current will still pass through. Any experience or suggestions?
tndiverdown Not Yet Wild Join Date: Mar 2010 Posts: 5

03-27-2010, 07:09 PM	#2
redriderno22 let it SNOW Join Date: Apr 2009 Location: Marengo OHIO Posts: 871	Re: Doubled up cables - how will it affect charging since only one runs through compu i did the same thing, but on the main - I routed another cable around the OBC but i eventually changed all the cables to 2 awg

03-27-2010, 09:57 PM	#3
tndiverdown Not Yet Wild Join Date: Mar 2010 Posts: 5	Re: Doubled up cables - how will it affect charging since only one runs through compu Yeah, I have one bypassing the OBC. I'm wondering if that's going to mess with how the OBC computes the charging cycle seeing how only half of the charge current will be read by the OBC and the other half will bypass it.
tndiverdown Not Yet Wild Join Date: Mar 2010 Posts: 5

03-27-2010, 10:18 PM	#4
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,417	Re: Doubled up cables - how will it affect charging since only one runs through compu The obc will be fine. Make sure you check your double cable connection once a month at the battery posts ... they may get loose.

03-27-2010, 10:33 PM	#5
golfcarfixer Gone Wild Join Date: Sep 2009 Location: Forest City N.C. Posts: 2,660	Re: Doubled up cables - how will it affect charging since only one runs through compu Do you mean you double stacked your cables on the batteries?

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03-27-2010, 10:59 PM	#6
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,417	Re: Doubled up cables - how will it affect charging since only one runs through compu That's how I read it .... I have seen it before.

03-27-2010, 11:01 PM	#7
tndiverdown Not Yet Wild Join Date: Mar 2010 Posts: 5	Re: Doubled up cables - how will it affect charging since only one runs through compu I double stacked the whole cart. I just want to be sure the OBC will still monitor the battery charging process correctly. As I see it, the charge current the OBC would sense should be halved since only one of the two cables coming off the negative side of the pack actually passes through it. I'm really surprised this topic hasn't popped up before now. I just don't want to create a condition where my new batteries might be overcharged due to the OBC not seeing the full charge current actually being applied.
tndiverdown Not Yet Wild Join Date: Mar 2010 Posts: 5

03-28-2010, 05:35 AM	#8
samsonone Not Yet Wild Join Date: Mar 2010 Location: jacksonville Fl. Posts: 49	Re: Doubled up cables - how will it affect charging since only one runs through compu it will not affect the charging you are still only putting 48 volt's to the system samsonone ponte vedra golf carts ponte vedra beach fl

03-28-2010, 05:38 AM	#9
samsonone Not Yet Wild Join Date: Mar 2010 Location: jacksonville Fl. Posts: 49	Re: Doubled up cables - how will it affect charging since only one runs through compu just don't by pass the obc oriignal wire through the obc

03-28-2010, 05:39 AM	#10
samsonone Not Yet Wild Join Date: Mar 2010 Location: jacksonville Fl. Posts: 49	Re: Doubled up cables - how will it affect charging since only one runs through compu it is still only going to sense the voltage as if it were stock

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