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Good alternative to otherwise very expensive batteries, lee than half the price of Surefire brand.
Now, after little, or no use, both flashlights are completely dead and need brand new batteries. So far, the batteries received are preforming alright, but the date on them is from two years ago.New Duracell batteries I purchased last week at Lowes, are dated Mar 2015. What can I really say about batteries, especially Duracell. My only comment can be that what I received was older stock. The 24 batteries I received from the Amazon Seller are dated Mar 2013.Update - Feb 1, 2009.I used these 24 Pro-Cell batteries to fill up two flashlights that I keep around for emergencies only.
They make them as a separate line so they won't directly compete with their consumer lines.My experience is that these batteries do not last quite as long as the top consumer lines from Duracell and Energizer. To get the best bang for your buck, go for alkalines like these.The "Procell" designation is basically Duracell's way of marking these batteries as ones intended for industrial applications. So, they are much more cost effective.Unless you are using them in an application where it is difficult to change the batteries, I recommend going with these instead of spending more. These batteries are a very good choice for an inexpensive alkaline. Heavy duty batteries, are not cost effective because although cheaper, they have a very short run time. However, they are within 10-20% (depending on the application), and are considerably cheaper.
I know of these kind of batteries because when I worked a telemetry floor as a nurse and ICU we used them on the patients' portable monitors. They last long and are great.
I've been using 2 of these batteries in my walkman for 10 hours now and they are still going very strong. It's living up to its reputation as described so far.
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