Only 46 volts out of 48

Acfilas · 03-18-2012, 10:42 PM

I just got a 91 Hyundai golf cart it was almost completely dead when I got it I tried to charge it w a Lester 2 charger and it humms but meter won't move I had charger tested it's fine I tried to charge batteries w a 6 volt charger then realized they were 8 volt batteries the batteries were originally at 6 volts now at 8 volts 5 read at 8 volts and the last one reads 6 volts is this the problem w it not charging , the cart won't even move. Should I get a 8 volt charger? the water is all good in the bats ,no corrosion I'm running out of options I'm trying not to spend a lot of cash YET ....on a battery in volts how low is too low before you can not bring them back?

nobuckbuild · 03-18-2012, 10:49 PM

You have a dead cell in the last battery that will cause the cart to do nothing due to the draw you probably end up below the threshold of operation as far as amps are concerned , the volts have to be right but if the amperage is low it will not work

Acfilas · 03-18-2012, 11:15 PM

Well that's good news I guess do you think I should replace it or buy a 8 volt charger and give it a try, I'm not sure how low is too low before it wont come back to 8 volts

roady89 · 03-19-2012, 12:23 AM

An 8 volt battery at 8 volts is considered a dead battery. Has this thing ever ran?

Acfilas · 03-19-2012, 12:32 AM

I got it from a neighbor for a gun lol couldn't resist, I drove it from his house to mine about 3 houses then I tried to charge it and that was it it's been dead for a week

roady89 · 03-19-2012, 01:12 AM

A dead cell will cause the symptoms you describe. Most likely the one at 6 volts is bad but.....I'd test them all first before spending any money.

Acfilas · 03-19-2012, 10:05 AM

Thanks for tips everyone very helpful will try tonight

gornoman · 03-19-2012, 10:23 AM

Is this supposed to be a 48v cart???

Acfilas · 03-19-2012, 05:40 PM

Yes 48 volt trying to get back to 48 volts

gornoman · 03-19-2012, 06:05 PM

Good. Just checking.

A word to the wise:

Electric carts can be really weird at times. The biggest problems are always voltage related. It is virtually impossible to troubleshoot issues without what we call a "known good" battery pack. Mixed batteries, pack imbalance, dead cells, corrosion, sulfation, charger performance, water levels, specific gravity readings, all play a part in how well any pack can deliver the energy needed for proper operation.

03-18-2012, 10:42 PM	#1
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10	Only 46 volts out of 48 I just got a 91 Hyundai golf cart it was almost completely dead when I got it I tried to charge it w a Lester 2 charger and it humms but meter won't move I had charger tested it's fine I tried to charge batteries w a 6 volt charger then realized they were 8 volt batteries the batteries were originally at 6 volts now at 8 volts 5 read at 8 volts and the last one reads 6 volts is this the problem w it not charging , the cart won't even move. Should I get a 8 volt charger? the water is all good in the bats ,no corrosion I'm running out of options I'm trying not to spend a lot of cash YET ....on a battery in volts how low is too low before you can not bring them back?
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10

03-18-2012, 10:49 PM	#2
nobuckbuild Gone Wild Join Date: Mar 2012 Location: CENTRAL PENNSYLVANIA Posts: 332	Re: Only 46 volts out of 48 You have a dead cell in the last battery that will cause the cart to do nothing due to the draw you probably end up below the threshold of operation as far as amps are concerned , the volts have to be right but if the amperage is low it will not work

03-18-2012, 11:15 PM	#3
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10	Re: Only 46 volts out of 48 Well that's good news I guess do you think I should replace it or buy a 8 volt charger and give it a try, I'm not sure how low is too low before it wont come back to 8 volts
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10

03-19-2012, 12:32 AM	#5
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10	Re: Only 46 volts out of 48 I got it from a neighbor for a gun lol couldn't resist, I drove it from his house to mine about 3 houses then I tried to charge it and that was it it's been dead for a week
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10

03-19-2012, 10:05 AM	#7
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10	Re: Only 46 volts out of 48 Thanks for tips everyone very helpful will try tonight
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10

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03-19-2012, 10:23 AM	#8
gornoman Stay thirsty my friends Join Date: Jan 2007 Location: Suburban Chicago Posts: 21,398	Re: Only 46 volts out of 48 Is this supposed to be a 48v cart???

03-19-2012, 05:40 PM	#9
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10	Re: Only 46 volts out of 48 Yes 48 volt trying to get back to 48 volts
Acfilas Not Yet Wild Join Date: Mar 2012 Posts: 10

03-19-2012, 06:05 PM	#10
gornoman Stay thirsty my friends Join Date: Jan 2007 Location: Suburban Chicago Posts: 21,398	Re: Only 46 volts out of 48 Good. Just checking. A word to the wise: Electric carts can be really weird at times. The biggest problems are always voltage related. It is virtually impossible to troubleshoot issues without what we call a "known good" battery pack. Mixed batteries, pack imbalance, dead cells, corrosion, sulfation, charger performance, water levels, specific gravity readings, all play a part in how well any pack can deliver the energy needed for proper operation.

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