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Joe beer

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  1. Hi. I have 2 of these batteries on an install. One bought 6 months ago and one reciently. Been having a few issues with the older one. It seems to have a Ballance problem . One cell seems to go over voltage and disconnects the charge relay very easily when charging normally (victron charge controller is set to 14.2v and it disconnects well below this when cell 2 spikes up to 3.75v ). The cell spikes so quickly that I don't think the Ballancer ever kicks in properly so this problem may get worse and certainly won't go away. Power reciently switched off due to low voltage. (Low voltage disconnect on victron battery protect set to 12.0v ) but looking at the victron bmv712 data it disconnected at only 94ah discharge. Well short of the 108ah I should have got at this LVD setting (90% of 120ah capacity) It seems like the battery is not getting it's full charge due to the high cell voltage disconnect problem. I have now added an additional identical 120 sterling battery in parallel to increase the capacity and hopefully avoid more LVD issues on dull days. I looked at the Daly BMS app data while installing it and noticed that some of the settings were different on the 2 batteries. Settings were different on both the "active Ballance " screen and "protection parameters" screen" Can someone with these batteries please post screen shots of the "active Ballance" and "protection parameters" screens on smart BMS ap and also include if your batteries are performing well with these settings. Have read in a few places now that there are quality control issues with initial Ballance and with Daly settings but have not found what the settings should be . Cant work out how to post my screenshots here.
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