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Forgive me but I do not want to read through this entire (enormous) thread but would be interested in a *cheap* ('ish) solution to the issue of monitoring a bunch of U27-12XPs all at once rather than having to do them one at a time via the Valence diagnostic app... Anyone got any links to...

Don't follow your logic - a typical 'ordinary' domestic array will consist of at least a dozen if not twice that - modules each with at least 2 connections. In fact, given that much smaller 'in-roof' modules are more likely to be broken up into several paralleled series strings, you could argue...

A bit late but no, their safe cutoff discharge voltage is 10.0V - so oodles of room... I would not have thought they are even half discaharged at 12.9V...

(Apologies: I thought we were talking about 12V modules, here. So...) Given that off-the-shelf modern battery storage can be bought for £200/kWh (including BMS) or less, asking £500 for ~1.5kWh seems a bit excessive especially so considering the BMS in these is next to useless short of...

"only"...?!

I had a thought yesterday as to how to get the basic Valence Diagnostic app 'ModuleDiagG2' to record parameters from a string of modules using a mouse recording macro app. It's rather 'clunky' but may work well enough. My thinking was that having set a path for the recording file and set...

For the information of anyone trying to use a 'Fusion5' tablet (possibly also any other Android based Windows10 installation) with the Valence Diagnostic app ('ModuleDiagG2.exe'), once installed I found the app wouldn't work even if the com port number was correctly set and a path for the...

Thanks for your replies. I dug the hole 2 days ago only to find what I anticipated being bedrock was just a layer of heavy glacial rocks with light, gravelly clay beneath. It always tickles me to think this stuff hasn't seen the lght of day for 12 thousand years or so... So, back to the...

Hi All, I have a 10 module (each pretty much 1m wide x 2m high in portrait orientation) dual tracking array to install - making the array 5m wide x 4m high. I'm after some help with the foundation design. I am planning to use a reinforced concrete base attached to the bedrock which is only...

I have about 70 (yep, at least, probably more) of the V1 U2712XP modules and, despite have been left uncharged in 'professionally' converted EVs in a yard for 3 years and then left sitting around for another 5 years since I've had them, about 80% have at least 120Ah of capacity. Really, these...

Has anyone written an Excel 'thing' to graphically display the standard Valence internal BMS data recordings - the interesting stuff at least?

Sounds like a Sainsburys/Smiths EVs-converted Ford Transit fiasco battery pack...? Did you get them from Martin in Sheffield? I would think your U-BMS is not working due to it still being configured for 22 series modules and therefore not balancing them 'inter-module'-ly. I have 4P4S pack of...