[Schurkey]

My first Optima was a USA-made unit. Lasted 10-something years of occasional service in a rarely-used car.

Second Optima was a Mexican-made unit. Nothing but problems starting at about 6 months, and enduring for perhaps 11 months before I got fed up. Would go dead and had to be recharged overnight approximately every month. In the meantime, between 6 and 11 months, I replaced alternator and starter (both were original to the vehicle and had closer to 200,000 miles than 100,000 miles on them. Cleaned/checked battery cables. No difference.

Replaced the Optima; problem solved. Haven't had a dead battery on that vehicle ever since.

I used to be pretty enthusiastic about Interstate batteries; I don't think they're as good now as they were twenty--thirty years ago.

Have heard good things about Deka/ East Penn. I've had one or two.

Most recent purchases have been O'Reillys. I don't know who makes them.