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Electric Yamaha Electric Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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04-04-2011, 05:25 PM | #1 |
Not Yet Wild
Join Date: Apr 2011
Posts: 5
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Yamaha 48volt charger
I have an electric yamaha cart and the 48v charger. I left it unplugged in my heated garaged for about a month this winter now it won't charge. Does this charger have a trickle charge if i leave it on overnight will it charge up? Thanks, help please
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04-04-2011, 07:06 PM | #2 |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: Yamaha 48volt charger
First, Welcome JWATZ80 As you saw in another post, I normally use a 36 volt "timer" charger to "force charge" the 48 volt battery set to a voltage of over 44 volts. It useually takes 3 to 4 hours. If you don't have a 36 volt timer charger and dc jumper setup like I use, You can use a 12 volt car charger, charging 2 batteries at a time to get the voltage up...useually 2 to 4 hours per 2 battery grouping. Since your car was only left uncharged in a heated garage, just charge the batteries till the set reaches at least 44 plus volts. Then your Yamaha/MAC charger should turn on and charge, but it will most likely will go "abnormal" and stop charging after 2 hours or so on the first charge. Then just unplug and replug to start the charging process again and normally overnite it will show "green", fully charged. After useing and charging the car several times the batteries should be up to there capability again. Your MAC charger is "fully automatic" meaning you leave it plugged in all the time. As voltage drops it will turn on and off to charge the batteries back up, so I recommend while not in use, leave it plugged in. The only problem is if the "AC" power is interupted....it stops the whole process and it would need to be uplugged and replugged to start the charging cycle again. Dang my fingers are tired. Hope that helped alittle. Good luck!
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04-04-2011, 07:26 PM | #3 |
Not Yet Wild
Join Date: Apr 2011
Posts: 5
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Re: Yamaha 48volt charger
Thanks for all your help smallblock, I just started the process hope all goes well!! Jwatz
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04-04-2011, 07:27 PM | #4 |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: Yamaha 48volt charger
Please let us know what happens
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04-04-2011, 11:39 PM | #5 | |
Getting Wild
Join Date: Jul 2010
Location: Philly
Posts: 113
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Re: Yamaha 48volt charger
Quote:
I too have a MAC charger, and I was told last year that it was safe to leave it on all of the time which I did for a little while this winter. I first plugged the charger into a Watt Meter so that I could see just how many watts it would draw being plugged in all of the time. During the "charge up" process, it starts out at around 900 watts, but then drops down to around 700 if I remember correctly. What I found interresting though was that I drew 0 watts once the batteries were fully charged. No matter how long it was plugged it, it didn't seem to go back past 0 watts. This had me wondering if it was indeed charging at all. Any thoughts? |
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04-06-2011, 06:21 PM | #6 | |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: Yamaha 48volt charger
Quote:
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04-07-2011, 08:27 PM | #7 |
Not Yet Wild
Join Date: Apr 2011
Posts: 5
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Re: Yamaha 48volt charger
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04-08-2011, 06:25 PM | #8 |
Sometime's............
Join Date: Oct 2007
Location: Tacoma Washington
Posts: 11,875
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Re: Yamaha 48volt charger
Wow...you sound gratefull Glad it worked out Can't wait for Sunday at the Masters....it's one of my favorite day's.
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04-09-2011, 04:41 PM | #9 |
Getting Wild
Join Date: Jul 2010
Location: Philly
Posts: 113
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Re: Yamaha 48volt charger
Yeah I figured that was what was going on with the charger. I was afraid of OVER charging my batteries and that's why I kept unplugging it. I don't know about anyone elses batteries, but mine seem to "weep" a lot. They're not over filled either. I only fill them to the bottom of the "cone" inside of them.
Any thoughts? |
04-13-2011, 11:28 PM | #10 |
Getting Wild
Join Date: Jul 2010
Location: Philly
Posts: 113
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Re: Yamaha 48volt charger
Ok, this whole "Keep the charger plugged in" thing really had me intrigued, so I tested further, and here's what I came up with.
I hooked the charger up, and it pretty much fully charges the bateries so I know that worked, however not touching anything and leaving the cart charging, the batteries slowly started to drop back to 70%. Today I unplugged the charger and plugged it all back in, and sure enough, it started charging again. I'm curious now if I might have a problem, or if the charger does in fact stop charging once the batteries are fully charged, and doesn't maintain them at all? Thoughts? |
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