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As ignorant as I am about this, I appreciate all the help I am getting from this forum.

Well, new BMS being shipped to me this morning. No charge. Thanks goes to Dan.

He is also sending me specific instructions from manufacturer for reassembly. Now to find that tiny switch spring. I did have to re-order some lugs. My busbars are 3/8, and the terminals on batteries are 5/16. I had a spool of 2/0 ultraflex in my shop, so that is what I am using for the...

I'll be damned, that is the switch. If I get froggy, I might order it so I have a spare BMS.

Interesting, I'll have to talk with Dan about it. Thanks

I'm assuming with 6 contacts thru the board it is a single throw, double pole switch.

Here is the other side of board

While I was searching yesterday, the heating pad plays a part in the selection process. There are more tiny wires involved on the BMS board than a regular 16S that I am familiar with. The obvious, easiest, solution is a new board. Dan is aware of my capabilities, and I am leaving the...

I'm gonna have to look up the price of 2/0 ultraflex nowadays. I bought 300 ft of it back in 2016 as a spare for my rig, and it cost me around 800.00. We were required to have a minimum of 100.00 ft to reach any weld.

I did a bonehead move on a new 48v Trophy battery. I used a small screwdriver to push the reset button, (instead of the correct tool supplied), and broke the switch. I called Dan, he told me to go ahead and open it up, I did, and switch is broke. I need to find the correct switch so I can...

Specs say 100ma at 30v DC. I'll have to see if that is correct for my BMS.

I don't have a problem de-soldering and installing a new switch.

I'm kinda old school, component level is not a problem, if I can find the right part. If I have to, I'll order a new BMS, but I'd rather not. I already told Dan my boneheaded move with the tiny screwdriver.

I did check Seplos, 125.00 for new BMS

You can't get better support from a dealer. Just got off phone with Dan and he's checking switches or a new BMS. Seplos won't work, but I'll find out tomorrow which part I'm gonna get. My ex wife is a trained electronics tech back in the day when it was Siemens/Nixdorf, and she has offered to...

Here is an interesting tidbit. I know the switch has a tiny spring, and I haven't found it yet. Needless to say, I also told Dan about it. That spring needs to be found, lol.

I need to apologize to Will. I finally found where to de-activate the email notification. It is under account preferences for anyone like myself who doesn't know.

Zoom in on the second pic I posted, specifically the white tag, and you might re-evaluate your response.

My bad, you said everything except the 100amp batteries

Understood, good random example. I didn't think I needed a switch to handle full current of the battery.

I'm just trying to get this battery back to it's original state. I should also say that in order for me to remove the BMS, there was hazardous environment involved that static electricity and my hands could have easily set off. I wouldn't advise going this far into a battery. That being said...