Get a OPTIMA Yellowtop D35 Like I Did, I've Never Had Any Startup Issues Eversince, I Actually Regret Not Buying One Before I Spent $120 For a Battery Tender Jump Box From Amazon.com
Stock OEM Mazda CX5 battery is weak AF. My 2019 battery died in Jan 2024 after coming back from Disney trip that lasted 7 days. Got one from Costco. Higher CCA for less than OEM from Mazda. Installed myself.
Just last week I had to change the original battery, because I was abroad for almost three months and the car had not been started even a single time. I left it outside and it's been constant -1/-5 Celsius here. So naturally the battery went.
Had a yellow optima that went 10 years and it started to slow a bit. Replaced the yellow with a red 6 years ago and it’s still fine.
I use oem bc I get discounted price else I’d use optima, bc I personally on my cars with optimas have never had a problem and oldest is coming up on 9 years
I went to the store and traded the core of my perfectly "good" DieHard Gold (~18 mos old) and spent $400 on an Optima Yellow Top. The difference was immediate. Interior lights were brighter, mirrors functioned normally, no 'system off' garbage, truck opened and closed without hesitation. It starts strong and fast. With the temperature dropping, the peace of mind has been 100% worth the price. I even put the portable jump starter back in the garage. It worked.
I had a Red Top Optima battery, but it’s so dead that even my NOCO AGM charger won’t recognize or charge it.
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.
162km at 42% battery is still kinda poor for 2025.
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