Yes, I had to do this with my pair of Lithiums so that the BMS would recognize them properly, when connected in parallel. Did this on my "old" RV before having them transferred to my "new" RV - good thing b/c the "new" RV has the batteries mounted underneath and not easily accessible.One thing I have to do before hooking up the Lion was to charge each individually to 100% first before hooking them together. They arrived at about 60% due to hazmat shipping rules.
Didn't take much time. :) — Ray
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