I have another method for keeping the battery happy for EOC in city use. If I'm EOCing, and I need to stop, I'll bump start, and go into DFCO, then I'll brake a bit so as to maximize the time that the alternator is spinning, finally, just before the ECU goes out of DFCO, I'll switch the ignition off. This keeps the alternator charging for another 100 feet or so, before I finally dip the clutch and come to a complete stop. The car can coast a long way when pumping/ frictional losses are so low (the engine's being turned over at less than idle).
It's been working well for me since I pulled my solar panel install for a tidy up and haven't reinstalled it yet.
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