xsailer
Wichita,Kansas
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Joined: 04/05/2005
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Well stupid me. I knew better but a senior moment occured. I seperated my four 6v batteries and put a 12v charger at 10amps on two of the four. I charged these two batteries one battery at a time for about 2-3 hrs each. They were at 6.04 volts before I applied the charger. Have I incurred much damage and if so how much? Please say no?
Also I would like to know what a low charged 6V battery would show for volts on a voltmeter?
Bob
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bldrbuck
Boulder, Colorado
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If it was an automatic charger it probably just turned off. So no damage.
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skipnchar
Topeka Kansas USA
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6.4 would be a fully charged 6 volt battery. The only way to tell how much damage, if any, you did is to use the batteries and see how they perform. My battery charger is computer controlled and always TESTS the batteries prior to charging and would simply fault and shut down.
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xsailer
Wichita,Kansas
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It was charged with an automatic charger. I did hear it clicking on and off and hoped it was turning itself off.
Thanks for the volt info.
I feel better now than I did when writing my post. I thank you all for the feed back.
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Starman97
Austin,TX
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2-3 hours won't hurt wet cell 6V batteries, all you really did was equalize the cells. Still, check the electrolyte level in each cell, give the battery a quick shake to dislodge any bubbles. Remember, no smoking or sparks near an open battery. As long as the plates are still covered with electrolyte, no harm done.
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Golden_HVAC
Fulltime, CA, USA
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I agree that there is no arm done IF the battery cells are still covered with water.
Remember to only fill them with distilled water. Golf cart batteries can take a lot of abuse, and still recover nicely.
Next time, connect the two batteries together with one of their interconncting wires, or some lighter wire if that is easier. The interconecting wires only need to carry 10 amps, so #14 wire will be fine for charge rates up to 18 amps.
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ron.dittmer
Near Chicago
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I would wire the two batteries in question together for 12v. Then put the 12v charger on them and see if they take & retain the charge.
Any charging I do at home on automotive or RV lead acid batteries is done at the lower 2 amp setting. A slow charge is much better, as long as you can afford the multiple days it takes to get them charged. The charge is retained much longer if done that way, and over-all battery life is much longer too.
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joraz
Tucson
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That reminds me of a time long ago when I tried to jump my 6 volt VW from my 12v truck. When I attached the second cable to the VW's battery, the acid solution immediately boiled. when I took the cable off - Kaabbllllowwwweeeee!!!! Blew the entire top off the battery (yea, I still have my sight!). Funny thing is that after it was all over and I had recovered my wits (not that I had many back then) I saw that the VW's batt cables were still connected to the topless battery posts. I thought, what the heck, turned the key and that baby fired right up! Drove into Albuquerque and bought a new battery. The guy really scratched his head when I gave him my core.
jor
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smkettner
Southern California
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Probably fine. Some 12v chargers will not even start unless you have 10 volts about. The charge and charging voltage specs on a 6 volter are exactly precisely one-half of a 12 volt battery.
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