AmazonBasics AA Performance Alkaline Batteries (48-Pack) - Packaging May Vary
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3336 of 3391 people found the following review helpful.
7 brands, 1 test: results
AmazonBasics batteries are quite good in terms of capacity -- pretty much tied for the top spot compared to the other 6 brands I've tested, but other brands have the edge in capacity per dollar. When I computed value by dividing capacity by the cost per battery of the cheapest package size, they took a respectable third place, and they have the advantage of being a trusted name compared to the value leader. In the images I have attached a graph and a table summarizing my test results for the 7 types I've tested, but if you'd like to know more about how I test ... on to the in-dept test & review.
I've been on a bit of a quest to test all of the top-selling aaa batteries on Amazon in a repeatable, precise way. This means the same equipment, same environmental conditions, and same slots in the equipment will be used for each test. For each test, I fully discharge 3 batteries in my Opus BT-C2000 battery analyzer at rates of 100 ma, 200 ma, and 400 ma (discharge rate affects usable capacity). I have also performed this exact same test (same equipment, same conditions) on the ACDelco, Duracell Procell, Duracell Coppertop, Energizer MAX, Maxell, and Rayovac. I have linked the other brands I've reviewed at the end of this review if you'd like to take a look at the other results for comparison purposes. For the Amazon Basics batteries, the capacity at each discharge rate was:
Disch Rt | Capacity | Runtime | Sample use case
100 mA | 997 mAh | 10 hrs | Low-power LED flashlight
200 mA | 914 mAh | 4.5 hrs | Electronic toy / medium LED flashlight
400 mA | 623 mAh | 1.5 hrs | Motorized toy / bright LED flashlight
Note that these (and all other Alkalines) would achieve somewhat higher capacity (maybe 1200 mAh) in a low discharge application like a mouse, keyboard, remote control, etc because alkaline batteries have internal resistance that reduces usable capacity at high discharge rates.
The capacity of these batteries is among the best I've tested -- take a look at the attached data table for comparative data. For the cost (~$0.31/ea in a 36 pack right now), these are a decent but beatable value -- the power supplied per dollar spent is very good, but eclipsed by other currently available options.
These batteries do well capacity-wise, but value-wise are blown away by the currently cheapest energy/dollar battery that I've tested, the ACDelco aaa's. Their capacity results were:
Disch Rt | Capacity | Runtime
100 mA | 1005 mAh | 10 hrs
200 mA | 864 mAh | 4.3 hrs
400 mA | 670 mAh | 1.7 hrs
As you can see, the Amazon batteries were very comperable ... but, at the current time the AmazonBasics batteries are $0.31/ea (36 pack), while the ACDelco batteries are about $0.21/ea (48 pack) -- so the ACDelco are significantly cheaper per mAh. I did not test shelf life, so it's possible that these may hold up better sitting in a drawer. Although both the Amazon batteries and the ACDelco batteries are certainly made on contract by a third party, I do think that I trust Amazon a bit more to provide consistent batteries than ACDelco ... although I haven't had any trouble with my ACDelco batteries so far. It's also worth noting that the Amazon batteries come in clearly superior packaging - while the ACDelco batteries come in a horrible gigantic plastic blister pack, the Amazon batteries come in a closable cardboard box. If you don't go through a lot of batteries & organization of your battery drawer is important to you, that could push them into the all-around winner category despite the ~50% price premium.
Finally, because another review specifically mentions the Rayovac AA's as being 'good' in some usage scenarios, I thought I'd share my findings for the Rayovac AAA's. In short, they're garbage - the Amazon batteries are better in EVERY case. It's possible that the Rayovac AA's are much better than the AAA's, but I think it's more likely that the version of the Rayovacs tested by the website that he got his results from is different than the most popular Rayovac on Amazon (I source all of my batteries from Amazon). I ran the Rayovac test several times because I couldn't believe how poorly they did ... here are some typical Rayovac results:
Disch Rt | Capacity | Runtime
100 mA | 908 mAh | 9 hrs
200 mA | 590 mAh | 2.9 hrs
400 mA | 443 mAh | 1.1 hrs
My other battery tests/reviews:
I have posted reviews for Duracell Coppertop, Duracell Procell and ACDelco aaa alkaline batteries with capacity data gathered using the exact same method and equipment. To find those reviews for comparison purposes, go to the product pages linked below and search for 'mah' under 'all reviews' (or just browse to them on my profile). If/when I do additional aaa tests/reviews in the future, I will update this list.
ACDelco AAA Super Alkaline Batteries
Duracell AAA Batteries Coppertop MN2400 - 20 Pack
Duracell Procell AAA Batteries PC2400BKD09
Energizer MAX AAA Batteries
Maxell Alkaline Battery AAA Cell
Rayovac Alkaline AAA Batteries
616 of 642 people found the following review helpful.
great batteries for the price
By Michael Tatay
Works as expected, great batteries for the price. Ordered these for daily use, especially for my son's remote control car. Been using it in clock, flashlight, toy etc, and so far they have been running well. These batteries seem to last as long as the name brands you would purchase at the local shops, but much cheaper than the shops. It helps me save a lot of money and avoid the trouble of running to the shop every time I need batteries. What I liked most about is its packaged! It comes in a card box that can be open/closed and in it the batteries are packaged with a wrapper in a group of 4. That makes it easy to find a group of batteries in my drawer. I am happy with the product and will probably order more when it run out.
1281 of 1350 people found the following review helpful.
Test results: Price vs. Battery Energy, Decent Value but Die Faster
I like AmazonBasics products, so I was excited to see these batteries. To find out if they were a good value, I looked up data online. Bottom line:
-- For flashlights, toys, and steady drain devices, you'll be better off buying Rayovac Alkalines here on Amazon.
-- For cameras and photo flashes, Duracell Coppertops will be better.
Here's why: Rayovacs cost a little bit more per battery, but they hold more energy than these AmazonBasics batteries. As a result, the final price per amount of power is about the same. You just won't have to change batteries as often.
Those Rayovacs work best in steady drain devices, but not so well in cameras or flashes. For those high drain devices, Duracell Coppertops hold up better and end up being cheaper.
Battery Ninja tested these AmazonBasics AA's in toothbrushes I did some calculations and found that these batteries offer a reasonable price per unit of power (mWh), but that they do not carry as much energy as others. The test results show that these batteries will run out faster than others, at least in the toothbrushes. There were no test results vs. digital cameras, photo flashes, or toys, so I'm extrapolating that these will perform like Rayovacs, not like Duracell Coppertops.
So, the only data to compare here is the toothbrush test. For energy delivered, these AmazonBasics batteries cost about the same as Rayovac batteries but will die sooner. To say that another way, these batteries cost less, but also deliver less power.
Both Rayovac and Amazon Basics are better than Energizer batteries, which appear to consistently give less power and still cost more. I guess the money goes to the Energizer Bunny.
Duracell Coppertops will last longer in flashlights, toys, and toothbrushes, but cost a little bit more per unit of power (mWh). On the other hand, they hold up better in cameras and similar electronics. They're probably the best all around battery. So, if you don't like changing batteries and a willing to spend a tiny bit more, Coppertops are a good way to go.
Finally, the best value battery is interesting: it is the Costco Kirkland Signature. Battery Ninja's results show that and so do the tests from Consumer Reports. You can buy those Costco batteries here on Amazon, but the price is higher than you'd get at the club. Of course, I'm not a Costco member, so it doesn't matter to me... but buying them here on Amazon is not a good value.