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Just to follow up, a conclusion, or a postscript. I had a gentleman come out whose apparently pretty knowledgeable about the DC solar trailers. Very long story short The cell that exploded took out three surrounding cells around it. Those have now been replaced and everything seems and appears...

JustGary, apologies for the delay. I honestly don't know what happened. The system never really even hiccupted until I started getting a little above average off-gassing about a month ago. Then I had one cell literally explode, sounded louder than a gunshot. There is a separate thread on this...

Thank you all! The offending rear battery has been disconnected via the Anderson cable from the front battery, but everything remains shut off until I can get a tech out here to fix, replace, or discover any other options I may have at this moment! I truly appreciate all of you responding so quickly

Thank you! I finally heard back from a guy who deals with these DC solar trailers. He had me yank the Anderson cable going to the rear battery that seems to be the one off gasing. I do truly, so truly appreciate your quick response!

Thank you! I hope somebody can tell me what to do, I've been looking all over Google and all I'm seeing is that it says it's the end of the battery's life. But doesn't tell me how to stop it from smoking or off-gassing

I have a DC solar trailer with two FLA forklift batteries. One of the cells exploded almost two weeks ago and I've been getting help here on the board. However I woke up this morning to see the system smoking really badly so I shut everything down. No smoke for the rest of the day until just...

Thank you both!

I am preparing to disconnect the problematic battery from the two battery setup. Are there parameters I need to change in the Sunny island? If so, can someone walk me through that pretty please?

Sorry for the delay folks, been a couple crazy days between Christmas and today. I've been tearing apart everything looking for my dang hydrometer, can't find it to save my life. I guess my biggest question at this moment comes from me midnight classic when it reads battery over voltage. Is it...

Truly the only thing that has changed in the last two months or so I posted about on a different thread and no one responded to. Never before had I ever seen the midnight classic read over voltage. But it started reading that a while ago, it would start happening when the midnight classic was...

GSXR, I wish I had answers for you, when I bought this I assumed it to be pretty much plug and play with very little maintenance. Quickly found out just how wrong I was. But I'm not been able to find much online regarding DC solar trailers other than they are stated by many to be woefully...

Hedges, thank you for that description, that makes sense and I do know how to shut the unit down, though a noob I'd like to Hope that I've been shutting it down right. When you say two configure the battery, just exactly how do I do that? Can you walk me through the steps? And would it be on...

Oz, thank you and understood. Yeah the off gassing has been off and on between mild and pretty heavy for at least 3 months. That's to what I'm charging to? Well here goes, I started with a harbor freight 4500 generator but it kept tripping the breaker. I upgraded, lol, do a different harbor...

I've now run the generator for well over an hour and then some without an issue. No smoking, no off gassing. Even if the midnight classic or the SMA is a reading true generator brought the overall charge up. Up from 53% when I started to now 64%. I have found the cables that were mentioned with...

OzSolar thank you for including the pic, now I'm at least know what I'm looking for. I just came back from Walmart and the auto parts store, neither had a hydrometer in stock, well truth be told Walmart had a little micro one that looked like somebody had already used so I passed on that. I...

I see I forgot to answer your question about the hydrometer, I bought a cheap ass one off of Amazon and now I can't find the damn thing.

Here is what the midnight is reading when I took those last pics. Looks like it's still charging on its own? SMA says 53% capacity.... If I disconnect one of the whole batteries, I'm assuming I would still be at 48V? But my amp hours would be cut in half?

Thank you for the info. Any idea on just what the heck I do once I disconnect that problematic battery? I mean I'm assuming I would have to reconnect it to complete the circuit somewhere. Also I would then no longer be at 48 volts? Or would I still be? Anything I need to change at the SMA or at...

I'm assuming these are the bus bars you're talking about? The cap is off and they look like they are a whole unit, don't think I'm going to be popping these off easily

I'll attach pictures in the next post. Absolutely no idea what caused the spark. Solar trailer I can't say as isolated but essentially it goes fifth wheel travel trailer with about a 15 ft gap to the solar trailer, then about an 8 ft gap to a shipping container, The shipping container is what? 8...

For how loud the bang was I'm assuming it was hydrogen getting ignited. I will try to snap some better pictures in a bit. What you're saying about isolating The bad cell makes absolute sense, as does pulling or isolating a cell from the other battery to make it 46v....... However there's the...

As I post this I guess my biggest question is wondering is this set up still safe to charge using my generator? Anything I can do to make it safer if so? Like keep that cell that popped dry or should I add water again? When I say I'm a noob, I can't emphasize that enough.

Hello again, if you can see the time I'm posting this follow up you can tell how much this is on my brain! It's 2:30 in the morning and I've been tossing and turning. The batteries in question are GNB Platinum classics.... If memory serves they're supposed to be 468 amp hours. The DC solar...

As the title says, I had a forklift battery cell explode on me tonight! Scared the bejeepers out of me as it sounded like a canon shot. Watered the batteries approximately 9 days ago using distilled water. Didn't think I overfilled, but I've never found directions on how full to fill these...

Hello folks, some here we're kind enough to help me last summer and then I promptly forgot about this website unfortunately like a dork. DC solar trailer with two GNB 48 volt forklift batteries, 250 midnight classic controller is reading battery over v.....? When attempting to charge up battery...

I am looking at page 168 of the PDF that you supplied, seems about the only thing readily apparent to me. Something that I am presuming to be battery temperatures. I have no way to check battery temperatures but the ambient outside temperature right now is about 100°. The nominal value mentioned...

Thank you! And yes it is the 6048

Sorry, this is why I'm still calling myself a noob, I know better on other boards. I have a DC solar trailer with 10 panels at approximately 235 Watts each. Unit has two Sunny island converters and a midnight classic controller and combiner. Power is being stored to two forklift GNB wet cell...

Should I be going off of volts or should I be believing the Sunny island and its percent reading?