Join Date: Mar 2015
Location: Pittsburgh, USA
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Yes, the traction pack self-discharges extremely slowly. But then again, the manual (pg 113-114) does state this:
"Avoid storing and transporting the vehicle
at high temperatures for extended periods
of time (e. g. container transport).
When out of use for longer periods of time,
connect the vehicle to a voltage supply.
If the vehicle is not connected to a voltage
supply, it must remain within a tempera-
ture range from -4F (-20 C) to 104F
(40 C) ."
But then again-again, we now know that connecting it "to a voltage supply" (do they mean an EVSE?) when "out of use for an extended period of time" (how long???) is bad advice and Will NOT protect the pack, because even (actually particularly) a full charged traction pack can execute a self-destruct if the 12V battery goes dead.
You can plug the car in for charging too along with the 12V battery tender. (I assume you have only the 120V charging adapter, not a 240 volt charging station?) but this will mean the car will sit through a hot Texas summer at 100% SOC, which can degrade the pack.
As for me. I would just leave the traction pack at about 80 percent SOC and store the car in as cool and shady a spot as you can find. Just be sure the 12V battery is connected to a charger, and have a trusted neighbor periodically check that the battery tender is on and operating. You want a charger that stays on "float" indefinitely and switches back to charging if something discharges the battery.
Last edited by Yinzer; 06-16-2019 at 08:30 PM.