James,
that is very helpful information! Having someone with a similar system that can relate to my situation is great. So, to summarize what you said:
1) Set the Quattro to float the LiFePO4 pack at 3.33 VPC, or 53.4 V overall.
2) Set the Quattro an absorption level of 3.5 VPC, or 56 V overall.
3) Set the Quattro to stop drawing from the pack at 2.625 VPC, or 42 V overall. I'd have to decide on my DC converters about disabling them as that would take out navigation systems.
4) Set the BMS to tell the Quattro to stop charging at 3.56 VPC, or 56.96 V overall.
5) I'm like you, I won't let low pack voltage kill power to the motor controllers. I'll sacrifice the pack for my safety.
6) The BMS takes care of balancing the cells.
What setting do you use to tell the charger to switch from absorption to float?
Does anyone have any comments about floating a LiFePO4 pack at 3.33 VPC for months on end?
Thanks,
Chris
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Posted by: clh5_98@yahoo.com
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