Quick summary....
I would go one step farther and say unquestionably the battery should be replaced. I know you are aware, but for others, dry cells warp when charged (more often than not). Capacity may look perfect unloaded and loaded, but can fail quickly under load unexpectedly. If battery goes dry, it's time to trade it out.
They've been damaged in one way or another. If nothing else, they are going to absolutely be sulfated which can rarely be improved when the sulfation occurred in dry cells (with the pulse desulfation devices that a lot of us have). If you load test that battery, you'll see voltage drop fast almost guaranteed.
I am in the process of replacing my 3 Battle Born batteries (270Ahr) with 3 Wattcycle batteries (314Ahr). If you have read about Will Prowse findings with BB, you'll know why I have pulled them out of our RV. Here is a picture of my install. While not done yet (still have some clean up and secure POS wire) you can see the footprint difference and I have 132 more amp hours. Got them for $499 plus 8% discount. I got the discount via email by leaving them in my cart for 2 weeks. I wasn't trying anything fancy, I simply put them in there and was trying to align their shipment times with my arrival home after our 4 month RV trip. You'll see in the image, I could have put a 4th one in the same amount of horizontal space as the 3x BB's were taking up.
Jim, you have a valid point, if I was boondocking. but I am not. I did not infer from the OP that he was either. The OP stated when connected to shore power or truck it worked. Tends to lead one to the fact that without being connected as stated, the batteries would not carry the load. I have found this out for myself. First time out with our RV, auto-level would not work. Call tech, told me to connect, then lower all legs about 6-8 inches, then manually retract. Then try auto-level. That worked. Seems that with low battery voltage, some of the legs went down and some did not and that threw a fault into the auto-level. Been working ever since. Oh, BTW, the battery was brand new but had not had a full charge put on it.
You have y attention, not that I have BB but just curious. What went wrong with your BB? Surely you are not buying just to go from
Sorry....but I think you knew that outcome was coming. 🥺
I really appreciate your familiarity with these systems and also sharing that video. I don't have Battleborn but i do have a relatively inexpensive lithium battery. I am going to start digging into if I need to replace it. If I made a mistake, and bought the wrong battery, off to the recycle center. I'm with you on the don't care what it cost if it keeps my family safe. My brother passed as a result of a fire that began with an electrical issue. I see there is a class action against BattleBorn under consideration.
Happy to talk batteries all day long
Will need more info. What is your usage plan? You said you won't boondock, but what about a night at a harvest host location? Do you plan on never camping ithout shore power? Those are big diffences that would lead the conversation on what you NEED vs what a battery marketing team will tell you. Know this, I would never recommend anything other than lithium at this point. The performance, weight and now even cost are far superiour to AGM/Flooded batteries. If you are indeed planning to only camp with shore power, I would still push you toward at least a 200 amp hour battery to cover your needs in case the RV park looses power and you need your frig to work for ~24hrs and/or have power to get slides to work.WOW....Battle Born is toast. Would anybody trust their solution, when engineering missed the mark at such a basic level? I know I wouldn't give them a second chance.
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