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Unread 01-27-2015, 08:52 AM   #151
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Default Re: 48-Volt Battery Maintainer

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Originally Posted by JohnnieB View Post
Since you have four 12V batteries connected in series and the voltage across the pack is only 27.7V, the probability of any 48V charger in existence charging them to 51V is nonexistent.

To charge rechargeable batteries, you need two things.
First is batteries and second is a battery charger.
You only have the second part.

I went out this morning ...few minutes ago. Heres what i found, .as per yesterday the top light [blue]is showing power to the charger, The next lite down being......... !flashing green!......... showing. Then it skipped to the red lite.default lite bottom-being on. . So i took out my voltage checker -gauge ...brand new...sears.It shows the pack voltage at 49 volts, opposed to yesterdays 27 volts. acrossed the 4 of them 48 volts.. this is good ....right???I retightened all the battery cables ,the pos-post on the lead battery was abit loose.So is this charger charging? The yellow lite, third one down- hasn't shown anything since yesterdays start up,I charged these deep cell alpha batteries--continuesly, about a year prior, with my cc charger .these Alpha batteries are said to wear out ...quite slowly /being commercial batteries. Anything you can think of please let me know. and thank you. All of you fellows for the help Bob s
Also before i go. All the lites went thru their sequence lighting each one up and off again, so i know they all are working since its return to me,after being repaired
PS;
So i had blue lite on ...and the red lite, both on steady. Today (this morn tuesday) when i checked for progress on charging sequence.
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Unread 01-27-2015, 09:04 AM   #152
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Default Re: 48-Volt Battery Maintainer

Wait a minute, wait just a minute. one time I checked my batteries and they showed about 27 volts. (My 48 volt pack) I got my other meter out and they showed 51+ volts. I changed the 9 volt battery in the first meter and sure enough it showed 51+ volts too. So check the battery in your meter or try another meter. Might just be the answer.
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Unread 01-27-2015, 09:33 AM   #153
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Default Re: 48-Volt Battery Maintainer

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Originally Posted by mrgolf View Post
Wait a minute, wait just a minute. one time I checked my batteries and they showed about 27 volts. (My 48 volt pack) I got my other meter out and they showed 51+ volts. I changed the 9 volt battery in the first meter and sure enough it showed 51+ volts too. So check the battery in your meter or try another meter. Might just be the answer.
i Agree but the meter isn't what i am thinking about . The saveabattery chargermaintainer i have is buffaloing the crap outa me.The lights and their functions .isn't working right? or i am just to impatient. thanks though Mrgolf i will check that meter battery too .today--although i am getting 49 volt reading with it?
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Unread 01-27-2015, 09:39 AM   #154
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Default Re: 48-Volt Battery Maintainer

I was writing my post when you posted you were gettin 49 volts.
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Unread 01-27-2015, 10:10 AM   #155
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Default Re: 48-Volt Battery Maintainer

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Originally Posted by bsa_bob View Post
I went out this morning ...few minutes ago. Heres what i found, .as per yesterday the top light [blue]is showing power to the charger, The next lite down being......... !flashing green!......... showing. Then it skipped to the red lite.default lite bottom-being on. . So i took out my voltage checker -gauge ...brand new...sears.It shows the pack voltage at 49 volts, opposed to yesterdays 27 volts. acrossed the 4 of them 48 volts.. this is good ....right???I retightened all the battery cables ,the pos-post on the lead battery was abit loose.So is this charger charging? The yellow lite, third one down- hasn't shown anything since yesterdays start up,I charged these deep cell alpha batteries--continuesly, about a year prior, with my cc charger .these Alpha batteries are said to wear out ...quite slowly /being commercial batteries. Anything you can think of please let me know. and thank you. All of you fellows for the help Bob s
Also before i go. All the lites went thru their sequence lighting each one up and off again, so i know they all are working since its return to me,after being repaired
PS;
So i had blue lite on ...and the red lite, both on steady. Today (this morn tuesday) when i checked for progress on charging sequence.
When you say :
(I charged these deep cell alpha batteries--continuesly, about a year prior, with my cc charger)
can you please clarify on this because if you were not disconnecting it monthly and reconnecting it I don't believe it's charged since last year
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Unread 01-27-2015, 10:46 AM   #156
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Default Re: 48-Volt Battery Maintainer

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Originally Posted by pat5000 View Post
When you say :
(I charged these deep cell alpha batteries--continuesly, about a year prior, with my cc charger)
can you please clarify on this because if you were not disconnecting it monthly and reconnecting it I don't believe it's charged since last year
I have been charging these deep cells with cc .I used it a year or more before the fellas here shared with me ;NOT TO DO THIS- so i stopped as deep cells aren't charged the same way as lead acid batteries are, according to many here."lead acid charge fast and stop where deep cells take along slower charge, as said. So i bought this "save a battery charger" maintainer-.to enable deeper charges of the deep cells i have.I was leaving my cart it plugged into the -CC -charger ,when the batts run down i would plug her in again.On this maintainer, Slow charge on this charger,is turning into red lit - default. . I can't figure it out, could be its supposed to operate in this way???, instructions are sketcy at best for me. any ideas? bob s
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Unread 01-27-2015, 11:00 AM   #157
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Default Re: 48-Volt Battery Maintainer

Both batteries are deep cycle, that is not the problem.

You have GEL cell batteries, if You charge them with a high charging rate and it tries to gas or bubble, it will create voids like a Swiss cheese inside the battery.

Your batteries will loose capacity since the voids don't allow the electrolyte to touch the plates and therefore no chemical reaction takes place.

That is why they make special chargers for Gel cell batteries that keep the batteries from gassing.
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Unread 01-27-2015, 11:21 AM   #158
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Default Re: 48-Volt Battery Maintainer

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Originally Posted by Sergio View Post
Both batteries are deep cycle, that is not the problem.

You have GEL cell batteries, if You charge them with a high charging rate and it tries to gas or bubble, it will create voids like a Swiss cheese inside the battery.

Your batteries will loose capacity since the voids don't allow the electrolyte to touch the plates and therefore no chemical reaction takes place.

That is why they make special chargers for Gel cell batteries that keep the batteries from gassing.
So!Do you think this battery is trying to get its act together,after me doing the charge the wrong way? or is there that chance of the batteries being "gas bubbled " up to beyond help? They were 49 volt pack,to day after charging all night .i guess i should keep it on charge awhile yet. I am having a shoulder replaced tomorrow, so it will have plenty of time to get straitened out to this "save a battery" charger
?thanks Sergio for your help bob s

if you think of anything else pleease feel free to contact me
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Unread 02-02-2015, 10:39 PM   #159
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Default Re: 48-Volt Battery Maintainer

Ordered one from Amazon on sale for $90. Got it today and just used the clamps for the time being to test. My batteries were at 51.3 after charging yesterday and it's been working fine. Just checked it and its brought my batts to 54.4 and still shows the status light flashing/charging. Hopefully in a bit it will go into maintenance mode.

I had/have trickle and light chargers on my lawn tractor, Harley and portable generator for years. Since I now haven't been using my cart that often I figured I'd give this a chance as well.
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Unread 02-04-2015, 02:55 PM   #160
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Question Re: 48-Volt Battery Maintainer

More questions than answers on the yellow box i have had mine,on charge for month or so.It still shows blue lite...and flashing green ,lite for a day or so.. Then it jumps to blue, with-red-default lite flashing, from then on.Until i unplug and plug it back in.Then we do the whole routine again.It says to me its charging some?.Something wrong here???shows 49 volt pack voltage-----has 4-12 volt deep cells]??/any help thank you bob s



Should not all /4 lites be on, in some fashion blinking..or steady???when the charging process is working properly????
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