However, even with them being cheaper, do you actually come out ahead in the long run financially by “biting the bullet” and buying the more expensive batteries from the beginning?
Yesterday, when I started researching this topic, I was very excited because I was expecting to be able to 1) obtain pricing information on Amazon.com, 2) look at the technical spec sheets of each battery, 3) compare the capacity of each battery, and 4) arrive at a conclusion about which battery is most worth the money.
However, due to differences in the fundamental construction of each battery, I soon realized that I would have to conduct a physical experiment to drain the batteries and test how much capacity they contain.
While it would be very fun to conduct this experiment, since this is a finance blog (and not a engineering blog), I’m going to use the finance-approach and piggy back off already existing information.
After doing some searching online, I stumbled upon the experiment at the link below conducted to determine if generic batteries give you more Amp-Hours (let’s just call it “total power”, in Lehman’s terms) per Dollar cost.
The current drawn (0.5Amps) is then multiplied by the time recorded to obtain the common unit of Amp-hours.
The results from the study above are shown below and ranked from #1-#4 in the order of yielding the lowest cost per Amp-hours of “power.”
- #1 Thunderbolt Magnum:
- The cost is $5.99 for 26.4Ah = $0.2269 per 1Ah
- $5.99 ÷ (24 x 1.10Ah) = $0.2269 for 1Ah
- #2 Duracell CopperTop:
- The cost is $10.39 for 26.24Ah = $0.3960 per 1Ah
- $10.39 ÷ (16 x 1.64Ah) = $0.3960 for 1Ah
- #3 Rayovac:
- The cost is $5.99 for 13.68Ah = $0.4379 per 1Ah
- $5.99 ÷ (12 x 1.14Ah) = $0.4379 for 1Ah
- #4 Energizer:
- The cost is $7.49 for 16.64Ah= $0.4501 per 1Ah
- $7.49 ÷ (10 x 1.66Ah) = $0.4501 for 1Ah
- Continue to avoid buying generic batteries, in general, because they do not yield as high of capacity per Dollar spent than name brand (Energizer and Duracell batteries)
- I will purchase some Thunderbolt Magnum Batteries @ HarborFreight.com (only $4.99 for 24 batteries) to see if they work as well the study claims.
- Currently, I am in the habit of buying Energizer batteries over Duracell, because I have thought that they performed better. However, the results of this experiment prove that Duracell are in fact a better value and give you more output.
How about you all? Do you all use generic or name-brand batteries? Have you found any generic batteries that work well and you enjoy using?
Share your experiences by commenting below!
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Related articles about generic batteries and their financial viability at several of my favorite personal finance blogs:
Wallet Pop – 10 Products to Always Buy Generic