Battery OEM Hyundai or Deka

PartReview Score

Rank #21 in ranking

3.5

Cranking

3.2

Indicator

3.5

No data

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #3 in ranking

135

4.4

Cranking

4.6

Indicator

5.0

Lights

4.4

No data

Reviews

All

OEM Hyundai

Deka

Deka › Battery

liam821 4 Jan 2026, 06:14

Indicator:

Rating 5.0

You can get an Deka AUX18L from batterymart.com for $159 shipped to your door. Deka is the OE manufacturer of the BMW battery for the i3. My original battery lasted 7 years, it’s a no-brainer.

Pros: lasted 7 years

Vehicle: BMW

Part number: AUX18L

OEM Hyundai › Battery

viper233 3 Dec 2025, 12:06

Cranking:

Rating 5.0

Schedule the car to start, pre condition the battery if cold, climate to start, hop in and go.

Pros: warm seat, warm car

Vehicle: Hyundai

Deka › Battery

grsthegreat 6 Nov 2025, 14:50

Rating 4.0

I use Deka sealed batteries so less offgassing messing up terminals.

Pros: less offgassing

Cons: messing up terminals

Deka › Battery

grsthegreat 5 Oct 2025, 14:45

Cranking:

Rating 5.0

I only use deka on my service rig. Usa made quality. Though listed at 540 CCA, MY Midtronics tester shows they output 650 - 750 CCA.. I easily get 7 years use in the field with these.

Pros: USA made quality, high CCA output, long lifespan

OEM Hyundai › Battery

kata_cat 3 Oct 2025, 09:32

Indicator:

Rating 5.0

Unser Ioniq5 hat nach 4 Jahren und knapp 60.000€ immer noch einen SoH von 100%. Haben zwecks Weiterverkauf extra auslesen und dokumentieren lassen. Zudem gibt Hyundai 5 Jahre allgemeine Garantie und 8 Jahre Garantie auf den Akku. Wir waren sehr zufrieden mit dem Kauf und mögen den IONiQ immer noch sehr.

Pros: 100% Batteriezustand, sehr zufrieden

Vehicle: Hyundai

Deka › Battery

Fixem_up 30 Sep 2025, 19:07

Cranking:
Lights:

Rating 5.0

Deka batteries. I’ve turned wrenches for twenty years and they’re the only ones that still consistently test far above their rated capacity when new. I have one that’s 7 years old and just installed one in my other rig last year.

Pros: above rated capacity, long lifespan

OEM Hyundai › Battery

OmegaZaggy 15 Sep 2025, 13:10

Indicator:

Rating 4.0

Mine on my previous car, a 2016 elantra lasted 8 years with huge winter temp drops up to -45 celcius

They battery they install is pretty good, other people around here need to change it after 5 years

Pros: battery pretty good

Cons: change after 5 years

Vehicle: Hyundai Elantra

OEM Hyundai › Battery

LMGgp 4 Dec 2025, 12:56

Cranking:

Rating 3.0

I can say from my experience if it drops below -20C a level one will only really keep the battery from losing power.

Pros: keep battery from losing power

Cons: only keep battery warm

Vehicle: Hyundai

OEM Hyundai › Battery

bn326160 11 Jan 2026, 09:10

Rating 2.0

Depends on the car, both highway speeds:

- Our good EV, Ioniq 6: went from 18kWh/100km to about 26kWh/100km.

- Our bad car, EQB: Went from about 26-28kWh/100km to about 29-30kWh.

Pros: increased energy consumption

Vehicle: Hyundai

OEM Hyundai › Battery

treason21 28 Oct 2025, 06:30

Indicator:

Rating 1.5

the only issue I have ever had with this car is the battery dying on me in under 2 years

Cons: battery died quickly

Vehicle: Hyundai Elantra

Mileage: 71000 km

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Which battery to choose — OEM Hyundai or Deka?

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:

Comparison of battery OEM Hyundai and Deka

PR Score.
Overall ranking.
Vote balance.
Average rating.
Number of reviews.
Feature ratings.
Car owners’ choice.

Which battery are better — Deka or OEM Hyundai?

In March 2026 on PartReview, battery Deka were overall better than OEM Hyundai.

OEM Hyundai received a PR Score of 56 out of 100, and Deka scored 94 points.
OEM Hyundai ranked 21 in the overall ranking, and Deka ranked 3.
The average rating is higher for Deka (4.4) than for OEM Hyundai (3.5).
Battery Deka have better feature ratings than OEM Hyundai:
- Indicator - owners believe, that this property for Deka is better than OEM Hyundai.
- Cranking - drivers claim, that this property for Deka is outperforms OEM Hyundai.
- Lights - reviews suggest, that this property for Deka is preferred to OEM Hyundai.

Which battery are more popular — OEM Hyundai or Deka?

In March 2026 on PartReview, battery Deka were overall more popular than OEM Hyundai.

By vote balance, battery Deka surpassed OEM Hyundai:

For OEM Hyundai, the ratio of positive (26) to negative (20) votes is 6 votes.
For Deka, the ratio of positive (143) to negative (8) votes is 135 votes.

By number of reviews, battery Deka surpassed OEM Hyundai:

For battery OEM Hyundai there are 15 reviews: 8 positive, 1 neutral, 6 negative.
For battery Deka there are 50 reviews: 47 positive, 1 neutral, 2 negative.

Which battery do car owners prefer — OEM Hyundai or Deka?

In March 2026, according to PartReview, battery OEM Hyundai and Deka 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 Hyundai with: OPTIMA, Varta, Bosch, OEM Subaru, OEM Volkswagen, YUASA, Tesla, Duralast, Exide, OEM BMW.

Also available: comparisons of battery Deka 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.