Yuasa builds a damn fine battery. The one in my C14 is still hanging in there after 6 years.
Yuasa is the good stuff. It's all I'll use in my bikes.
My battery was the [factory one from 2007], changed it in 2023. Couldn't find a replacement Varta back then and had to choose fast, so I picked Yuasa (Japanese brand) and it's working good till now.
I bought a shorter mobility scooter battery with same chemistry as the original, YUASA REC36-12, however the polarity was reversed. I extended the negative pole and installed it without an issue and car came back to normal.
Nice hack. I have a Yuasa that will be 13 years old this year and still going.
Quando vedo che fa fatica la ricarico, se lo rif\u00e0 in tempi brevi la cambio. La Yuasa che avevo su \u00e8 morta lo scorso anno dopo 6 anni e 60mila km.
Unfortunately have to disagree about Yuasa, This 2018 battery is not the same as what you will get as a replacement from Yuasa today. I think they moved manufacturing from Taiwan and the quality has fell. My last two DRZ400 batteries were Yuasa and they didnt last 2 years. Even with tender on for the few months I didnt ride the bike.
I bought a Yuasa battery from AutoPro, and they told me it comes with a 2-year warranty. After about one and a half years, the battery almost completely died. I had it tested and was told it was dead and needed replacement.
My brother and I both have/had 6 speed 2015 Mazda3 (me the hatchback, him the sedan), and both of us had terrible issues with the Mazda brand batteries.
I bought a 6v Yuasa battery for my old Harley and it lasted about six months. Would drop from fully charged to 2.5 volts in a week of sitting.
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If choosing battery across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare battery across these categories:
In March 2026 on PartReview, battery YUASA were overall better than OEM Mazda.
In March 2026 on PartReview, battery YUASA were overall more popular than OEM Mazda.
By vote balance, battery YUASA surpassed OEM Mazda:
By number of reviews, battery YUASA surpassed OEM Mazda:
In March 2026, according to PartReview, battery YUASA led more car-specific ratings than OEM Mazda:
YUASA are chosen by owners of cars such as: Mazda 6, and others.
Battery OEM Mazda have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of battery OEM Mazda with: OPTIMA, Varta, Bosch, OEM Subaru, OEM Volkswagen, Tesla, Duralast, Exide, OEM BMW, Deka.
Also available: comparisons of battery YUASA with: OPTIMA, Varta, Bosch, OEM Subaru, OEM Volkswagen, Tesla, Duralast, Exide, OEM BMW, Deka.
You can also see who is better among other battery manufacturers: OPTIMA or Varta, OPTIMA or Bosch, OPTIMA or OEM Subaru, OPTIMA or OEM Volkswagen, OPTIMA or YUASA.
