If you need reliable, quality batteries, you only need Duracell Procell batteries. Duracell Procell is the market leader in professional batteries for one reason: you can count on them to meet the toughest demands.
Duracell Procell alkaline batteries are ideal for use in business environments. However, with unprecedented performance equivalent to Duracell Coppertop batteries, Duracell Procell batteries are an easy choice due to their lower cost due to large packaging and lower advertising costs.
We have already tested both the 9V Duracell alkaline batteries and the 9V Duracell Procell alkaline batteries, and we have found interesting results. We decided to make a direct comparison between the two devices, as the Duracell copper alkaline batteries are generally believed to be the same as the Duracell Procell Alkaline. If the two types of batteries are exactly the same, they should be able to provide very similar usable capacity in our tests. However, this is not the case, as you will soon see. To make sure that we compare the two battery types correctly, we have provided the appropriate expiration dates just to make sure that there is no significant difference due to self-discharge when produced with a larger time difference.
So far, our comparisons between Duracell Copper Top and Duracell Procell batteries have shown a slight advantage in favor of Procells for AA and AAA size, so this time we expected similar results, but to our surprise, not. In fact, the standard Copper Top Duracell battery delivered a better result, and with over 20% more usable capacity than the Procell, this is a significant difference. We checked the expiration dates for compliance and repeated the test with another 9V Duracell Procell battery, just to be sure nothing was wrong, but we have the same lower capacity of Procell. In the end we can say that we were really disappointed with the 9V Duracell Procell batteries, we expected more from them, especially given the fact that around 300mAh provide a decent 9V alkaline battery under our testing conditions can.
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