The reason to make two stops is doing it in one stop means charging for 1/2 an hour, while doing it in two you charge for 5 minutes each. The bottom half of the battery charges VERY quick. And most of the I-5 chargers are right off the freeway.
I use Santa Nella and Button Willow as those were the same exits I used in my ICE days, but Firebaugh and Kettleman City have LOTS of V3 chargers if you can make it to them.