To member RobertC. If you have either the QC or warmer option, you can cool the pack very well during charging. You must remove the actuator on the drivers side of the heater floor duct. It's just one connector and a couple of screws. Put the actuator on a coffee table or in a drawer because you really don't need it. Find the arm the acutator operates--it should be in the position to deliver air from the heater air floor duct. Move the arm to the opposite position and (if you have the HVAC system set on the floor position and the blower running) it should shut off the air and send it to the battery pack. When charging, set the A/C temp to cold, A/C on, and air distribution to "floor". Start you L2 charging and then using the remote, turn the climate control system to "cool" and watch your battery temps. I may take some time to react due to the thermal mass of the battery cells, but the temps will not climb and should actually fall. Works for me.