Battery is good, no electrical to the vehicle

2005 Dodge Grand Caravan

2015 Dodge Grand Caravan
Battery is about 6 weeks old. Twice now I have gone out to start the vehicle and it’s dead. Completely dead. Key fob won’t unlock doors. Interior lights don’t come on when you open the door. Nothing. I charged the battery,
cleaned the lead/connectors, and then changed the battery terminals (they were old and didn’t work the greatest anyway) after it happened the first time. Everything worked fine for about a week and then it did it again.
Completely dead. Battery tested good. Car parts store swapped out the battery just to make sure that wasn’t the issue and it made no difference. Still dead. Thoughts or suggestions?

This sounds like a parasitic draw. Could be as simple as the glove box light or dome light not going out. Also a dime in the cigar lighter will do it or even a gum wrapper.

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