How is it going now? Look for a good mechanic who knows their stuff about EVs, especially older ones. Make sure they have the right tools and know-how to work on your RAV4 EV.
Any updates with this? Extreme heat can really mess with your EV's battery. It might explain why the charger was acting up and why it wouldn't charge as fast. It could also be a software glitch. You might want to check if there's a software update for your car.