vs
Battery OEM Mazda or SAMSUNG
I personally use Samsung 50S and RS50. The RS50 or 50XG are the optimal choice in my opinion.
Pros: optimal choice
2014 Mazda 3 with 322,000 kms, it's doing fine. I'm still on original engine, transmission and starter. I use it almost daily in traffic. The only problem is that the battery is slightly more costly than a standard one, which offsets the miniscule fuel savings you're getting from the system
Pros: original engine, transmission, starter
Cons: battery is slightly more costly
Vehicle:
Mazda 3
Mileage: 322000 km
I did the same replacements two weeks ago, it took about a week for the battery to recalibrate, definitely am seeing the improvements now.
Pros: seeing the improvements now
My battery conked out at the normal time after 6 years. But it still didn’t give me any warning that it was dying. 2019 Mazda 3 here
Pros: lasted 6 years
Cons: no warning before dying
Vehicle:
Mazda 3
I do exactly the same tasks and mine don't drain that horribly. For me the battery drains quickly while watching movies and gaming only.
Pros: battery drains quickly
Cons: drains horribly
Looks like I'm getting a battery replacement. Very disappointed in Samsung this year.
Cons: disappointed in Samsung
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.
Cons: terrible issues
Vehicle:
Mazda
These are excellent cars but for some reason the batteries they use are bad. I had a 21 Mazda 3. The battery failed in 2023. They replaced it under warranty. The new battery lasted literally less than 6 months.
Cons: poor quality, short lifespan
Vehicle:
Mazda 3
Mazda OEM batteries are trash. Always have been. 35 years with Mazda and we stocked a ton of them.
Cons: poor quality, unreliable
The only time I had issues with my battery was the original one when it was on its death bed. But I remember needing to clean the posts a few times and it would start right up. Never was left with a check engine light but when it acted up it would do weird things here and there.
Cons: issues when dying, acted up, did weird things
Vehicle:
Mazda
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Which battery to choose — OEM Mazda or SAMSUNG?
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:
- PR Score.
- Overall ranking.
- Vote balance.
- Average rating.
- Number of reviews.
- Feature ratings.
- Car owners’ choice.
Which battery are better — SAMSUNG or OEM Mazda?
In March 2026 on PartReview, battery SAMSUNG were overall better than OEM Mazda.
- OEM Mazda received a PR Score of 26 out of 100, and SAMSUNG scored 45 points.
- OEM Mazda ranked 28 in the overall ranking, and SAMSUNG ranked 26.
- The average rating is higher for SAMSUNG (3) than for OEM Mazda (1.9).
-
Battery SAMSUNG have better feature ratings than OEM Mazda:
- Cranking - owners believe, that this property for OEM Mazda is better than SAMSUNG.
- Lights - drivers claim, that this property for OEM Mazda is outperforms SAMSUNG.
- Indicator - reviews suggest, that this property for OEM Mazda is preferred to SAMSUNG.
Which battery are more popular — OEM Mazda or SAMSUNG?
Battery OEM Mazda and SAMSUNG were equally popular according to data in March 2026.
By vote balance, battery SAMSUNG surpassed OEM Mazda:
- For OEM Mazda, the ratio of positive (31) to negative (85) votes is -54 votes.
- For SAMSUNG, the ratio of positive (46) to negative (55) votes is -9 votes.
By number of reviews, battery OEM Mazda surpassed SAMSUNG:
- For battery OEM Mazda there are 38 reviews: 9 positive, 2 neutral, 27 negative.
- For battery SAMSUNG there are 31 review: 10 positive, 8 neutral, 13 negative.
Which battery do car owners prefer — OEM Mazda or SAMSUNG?
In March 2026, according to PartReview, battery OEM Mazda and SAMSUNG have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
Other comparisons of battery
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, YUASA, Tesla, Duralast, Exide, OEM BMW.
Also available: comparisons of battery SAMSUNG with: OPTIMA, Varta, Bosch, OEM Subaru, OEM Volkswagen, YUASA, Tesla, Duralast, Exide, OEM BMW.
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.