That's not necessary if the electrical system is functioning properly, e.g. no controller failing to enter itserichz wrote: Preferably one that doesn't involve hooking up to a battery tender every week or so?
"sleep mode" (low current draw) or something causing a current drain greater than 50 - 80 milli-amps.
There's been speculations of an inadequately designed Leaf 12V battery charging system, but data to
fully corroborate that have only been anecdotal.