I would still need an extension to run from the rear battery up to the ESC, right?
Do you have a pic of your 12S setup?
Do I have pictures? I do now, lol
I came up with the battery arrangement for myself, others may use it but I've not seen any. Done this way manages front/rear pack leads, no cables bunching in canopy and no extensions required for the rear pack in my experience.
The pics show top, side and bottom views, plus series connected, then mounted in 696.
I use a similar arrangement with custom battery trays in my E5s.
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