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Morning all. I recently installed an ANT 8-24S BMS configured to 15s. Everything works fine using the VBMS app. When I turn the BMS off I still have voltage at the battery terminals (15v), is this normal? TIA

Hi, I guess I posted in the wrong area, the BMS has no communication, sorry.

Hi, I have a dumb daly bms, It doesn't seem to want to activate. I wired in a keyless socket and a 110 bulb to the pack. When I touch the B- and P- I get the BMS activated, but it won't stay on, any thoughts?

Thank you!

Because we are totally off grid we want the ability to take packs offline if they happen to fail

Hi, That is basically what we are doing through my nephew that has contacts in China. But somewhere along the way we were told that when you have more than 8 battery packs in parallel you have to use a master/slave BMS, so we are just trying to establish if this is in fact correct. We have been...

Hi, thanks for the link. The article focused on wiring which we were aware of. Our issue is master/slave BMS or stand alone BMS on each battery.

OK, thanks, can I ask you what you think of the response I got from several manufacturers about this issue of 8 batteries in parallel being the max.

Hi, thanks for the quick response. Doesn't Tesla use some kind of a contactor as a Master BMS? I will have to look up eddy currents as I have no clue what they are.

Hi All, We are considering upgrading the FLA batteries to lithium, we can get 12, 16S 100AH for our system. We are being told we can only use 8 max without a master BMS, I have been given different explanations (one said it was the battery, other said it was the BMS) and have become very...