Battery OEM Mazda or Deka

I really like the Deka ETX12. Point is these batteries are bulletproof. They last longer than any other battery I have ever gotten. I highly recommend them.

Still running on its original battery that came with the car.

I currently run a Deka Intimidator in my rig and it's been problem free for 3 years now

Deka ETX15, Deka makes a great battery and they’re sold under a few manufacturers.

2014 Mazda 3, about 65k km.\n\n2nd battery only because I left the lights on one time a few years ago and needed a replacement. Nil problems otherwise.

2018 Mazda 6 is going fine.\n\nProbably due for a battery soon as preventative maintenance.

I use Deka for all of my cars and they take Minnesota winters like a champ

Mazda uses cheap batteries, I have had to swap them on my last two CX5s

My cx30’s 2023 battery died as I was coming to a stop sign. As I was rolling to the stop sign my breaks failed hit the car Infront of me and the could not get my car to start.

Mazda OEM batteries known for underpowered and short shelf life. If you are in any kind of extreme climate for more than one season, there's a likely chance of failure.