Product review
October 2021
Disposable AA batteries
We tested 1.5V disposable AA batteries to see which lasted longest.
November 2021
Panasonic
Extra Heavy Duty
Price
Prices are what we paid per battery.
Score
19
Don't buy
Price
Prices are what we paid per battery.
Score
19
Don't buy
We don't recommend any carbon zinc batteries because alkaline and lithium perform considerably better and have longer shelf lives. The Panasonic Extra Heavy Duty performs terribly across the board in comparison. In addition, many of the alkaline batteries we tested were cheaper to buy than the Panasonic Extra Heavy Duty.
Test results
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26Performance (low-drain)
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12Performance (high-drain)
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25Energy (low-drain)
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10Energy (high-drain)
Good points
- No obvious good points.
Bad points
- Terrible low- and high-drain performance.
- Terrible low- and high-drain endurance.
- Terrible low- and high-drain energy.
- Poor shelf life.
Model
-
TypeCarbon Zinc
Specifications
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Time to fully discharge (low-drain) (hrs:mins)19:41
-
Time to fully discharge (high-drain) (hrs:mins)1:09
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Expected shelf life3 years
More info
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AvailabilityAvailable at Countdown, PB Tech, JB Hi-Fi.
Member reviews
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We also tested
Not found what you want?
We've tested 12 other disposable aa batteries.
Batteries
Pros
Nothing
Cons
Panasonic Extra heavy duty did not last very long at all
Recommend it?
No, this product has too many drawbacks.
David S.
Used 1 month or less