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Author Topic: Gurgling from battery while trickle charging?  (Read 10262 times)
Lemur6
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« on: March 14, 2010, 12:56:36 AM »

Hey, first post.

I know, I'm a bad person. I let my battery discharge over winter storage. I bought a trickle charger to recharge the battery and it seems to be working (could start the bike fine now), however I noticed the battery is making soft gurgling noises while it's charging. It's not getting hot or boiling, just making funny noises.

I've never really dealt with batteries before, so I'm not sure whether to be concerned or not. Any advice?

-L6
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« Reply #1 on: March 14, 2010, 01:16:57 AM »

Did you check the cells and make sure they're topped off with distilled water?
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Lemur6
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« Reply #2 on: March 14, 2010, 01:27:19 AM »

Did you check the cells and make sure they're topped off with distilled water?

Yep, they're not all even though. Some cells are basically at the max fill line, and some are at the min fill line. Should I try to equalize them?
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« Reply #3 on: March 14, 2010, 01:33:57 AM »

http://www.ex-500.com/wiki/index.php/Battery_Maintenance

Yes.
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Lemur6
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« Reply #4 on: March 14, 2010, 01:43:44 AM »


Do I take the fluid from the overfull cells and move them to the under filled ones or do I just fill the under filled ones with DI water? (sorry, I'm a total battery noob, like I said I never really dealt with them before).
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« Reply #5 on: March 14, 2010, 01:54:52 AM »

Not sure what you should do with the overfilled ones, wait for a response from someone else, but the read-up seems to imply that you want them all on the fill line level.
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« Reply #6 on: March 14, 2010, 01:57:18 AM »

That is the fluid boiling, if the fluid is boiling it is not trickle charging. It is this boiling that causes the battery acid level to drop. Make sure you top up the battery with deionized water.
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Lemur6
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« Reply #7 on: March 14, 2010, 02:08:34 AM »

That is the fluid boiling, if the fluid is boiling it is not trickle charging. It is this boiling that causes the battery acid level to drop. Make sure you top up the battery with deionized water.

sooo... the gurgling noise is bad?
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« Reply #8 on: March 14, 2010, 02:08:56 AM »

And, just like the Wiki says, don't do this without being in a well ventilated area, and certainly don't put the battery anywhere you don't want corrosive acids ruining shit.

And also make a note here of the amperage that you're using the trickle charger at. It should be pretty damn low amps.
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Lemur6
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« Reply #9 on: March 14, 2010, 02:19:30 AM »

And, just like the Wiki says, don't do this without being in a well ventilated area, and certainly don't put the battery anywhere you don't want corrosive acids ruining shit.

And also make a note here of the amperage that you're using the trickle charger at. It should be pretty damn low amps.

The charger I'm using is an auto-charger by Schumacher (SEM-1562A), and it's putting out 1.5 Amps. Is this about right?
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Tommy
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« Reply #10 on: March 14, 2010, 07:42:10 AM »

That is the fluid boiling, if the fluid is boiling it is not trickle charging. It is this boiling that causes the battery acid level to drop. Make sure you top up the battery with deionized water.

Its not boiling.  Its called electrolysis.   Stick metal plates in water, connect an anode and a cathode viola - the water decomposses to its elements.  hydrogen bubbles will form on the negative side, while oxygen bubbles will form on the positive side.   The reason you want to charge in a vented area is because you are releasing hydrogen.   Its perfectly normal.  If its doing it A LOT, then youve got a problem, likely the charger is putting out more amps than it claims.  1.5amp is fine for recharging.
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« Reply #11 on: March 14, 2010, 07:50:46 AM »

+1^

Make sure the caps are off so it can breathe while charging and don't ever shake it.
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smith.p.sean
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« Reply #12 on: March 14, 2010, 12:00:51 PM »

+1 make sure that you clear the gasses out with a lighter. 

(Dont do this)
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« Reply #13 on: March 14, 2010, 12:09:53 PM »

Throw some baking soda in there NO just kiding
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Lemur6
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« Reply #14 on: March 14, 2010, 12:35:40 PM »

Its not boiling.  Its called electrolysis.   Stick metal plates in water, connect an anode and a cathode viola - the water decomposses to its elements.  hydrogen bubbles will form on the negative side, while oxygen bubbles will form on the positive side.   The reason you want to charge in a vented area is because you are releasing hydrogen.   Its perfectly normal.  If its doing it A LOT, then youve got a problem, likely the charger is putting out more amps than it claims.  1.5amp is fine for recharging.

OK, so some gurgling is normal, and 1.5 amps is ok. Thanks for clarifying that bit.

So after spazzing out thinking I was boiling my battery, I looked up the boiling temp of sulfuric acid (which is like 290 deg C), and then stopped spazzing since the wasn't even getting warm and cautiously continued charging checking the temp every hour or so. Seems to have finished charging up just fine.

Thanks for everyone's help.
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Lemur6
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« Reply #15 on: March 14, 2010, 12:44:52 PM »

+1 make sure that you clear the gasses out with a lighter. 

(Dont do this)

Actually, I was contemplating on how to collect all those sweet gases and stuff them into an airtight jar. Then I can place him on a shelf and name him "JarGoBoom". Maybe I attach some miniature speaker and electronics on him so he can whisper "open me" every now and again. And maybe give him to a smoker... "you're gonna have to quit smoking if you want to keep him, he doesn't like smokers."

Haha.... that's be weird...
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« Reply #16 on: March 14, 2010, 12:50:05 PM »

Did you fill the cells up to the fill line with distilled water like I (and the Wiki) said?
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Lemur6
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« Reply #17 on: March 14, 2010, 01:07:57 PM »

Did you fill the cells up to the fill line with distilled water like I (and the Wiki) said?

Actually, I'm still not quite clear on that. The wiki just says "fill line", but there's two fill lines (max and min). The level was at or slightly above MIN for most of the cells and some were at MAX. Should I fill them all up to MAX?
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« Reply #18 on: March 14, 2010, 01:13:59 PM »

The two fill lines are only about 1-2cm apart right? Bring every cell just up to the max. Again, only use distilled water, not tap water and not filtered water. Distilled water goes for like $2 a gallon at any grocery.
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cathoholic
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« Reply #19 on: March 14, 2010, 01:19:27 PM »

guys its VOILA not VIOLA a viola is a big ass violin
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Lemur6
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« Reply #20 on: March 14, 2010, 01:50:55 PM »

The two fill lines are only about 1-2cm apart right? Bring every cell just up to the max. Again, only use distilled water, not tap water and not filtered water. Distilled water goes for like $2 a gallon at any grocery.

Yep. Ok, will do.
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« Reply #21 on: March 14, 2010, 02:33:33 PM »

do NOT exceed the MAX line. the level of the water in the battery should be between those lines. they dont have to all be exactly level, just somewhere in between them. dont fill them all to the max line as that can cause overflow. (not a big deal, but you'd be better off just keeping the fill line in between max and min.) as for the bubbling, i try to pull the caps if i feel like it when i charge the battery. helps vent it. unless its maint. free...which yours is not. btw, can we still not post ebay links? im looking at a maint free battery and it seems cheap...too cheap, but i wanted ya'lls opinion
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« Reply #22 on: March 14, 2010, 02:34:26 PM »

Sealed gel battery should be about $50-$60. Cheaper than that and I wouldn't buy it.
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Tommy
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« Reply #23 on: March 14, 2010, 03:17:03 PM »

guys its VOILA not VIOLA a viola is a big a$$ violin

pshhh...i had just woken up and was having to explain basic chemistry. gimmie a break.
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smith.p.sean
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« Reply #24 on: March 15, 2010, 03:34:53 PM »

guys its VOILA not VIOLA a viola is a big a$$ violin

pshhh...i had just woken up and was having to explain basic chemistry. gimmie a break.
lmao
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