Any thoughts as to what it costs to replace an Avalon/Camry HV battery?

My 2013 Avalon may hit 200,000 miles within the next year. According to the Car Care Nut, these batteries seem to be dying around that mileage pretty consistently. I'm just wondering what I should be saving for if that happens, or if it would be worth it to replace it with an OEM battery.

I'm not all that interested in third party. I want something reliable that'll do another 200,000 miles.

It looks like it might be around $3,000 for just the OEM battery with some googling. I'm not sure if that's correct.