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Tinbum wrote: ↑Wed Sep 04, 2024 10:32 pm Yes it's a standard patch cable from the battery.

Right, thanks, now I'll ask someone I know how to sniff both ends for a signal

thanks countryPaul,

I.m pretty sure it is standard RJ45 cable

I'm pretty certain the battery will not turn on its output if it hasn't received the right message from the inverter. I have connected the inverter to the battery with a normal RJ45 patch lead which I have tested and found OK - how I check if the message is in the right format, please? . In the ins...

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That's good if it's not over voltage then so maybe I can fiddle with the inverter battery type settings to wake it up?
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" Is the battery anything like this one" . yes that's the one but with a different label on the case, and I had the BMS remapped by the eBay guy. This was after recharging a battery pack which had a very low voltage. They are all around 3.9 now. . However it is the original battery which w...

Good Morning, I have had the BMS reset and got the cell packs all balaced around 3.9v. We gave the BMS its first try yesterday and it is looking promising so far, however there is no voltage on the BMS output. The battery is showing 55.3 volts before the BMS and there are no LEDs showing at present ...

. Thank you tinbum, for that, I had seen the ebay advert and thought it might be good money after bad. Do you know if they lock out in normal daily use with an invertor? That is what happened to it with its previous owner and he didn't give it a second chance. It does look a well built battery thoug...

. I have started to balance the cell pack voltages with a regulated PSU and am getting them closer, but its surprising how long it takes, the voltages are as below - how close do they need to be before I start suspecting the BMS has locked out and is unusable? . https://i.postimg.cc/tshCWNN1/Voltage...

Thanks Marcus

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Thanks Agt, I have got one now and my brother has given it a trial run.
Won't be doing any more with it for a week or two now. Any suggestions for a source for a spot welder, or another way of slotting in new cells please?
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