Duracell Coppertop AAA Cell Batteries, 12-Count Pack

They are ok. Cheaper that buying at the retail store when getting the free shipping.

Duracell makes a great battery; and these batteries will show you just how good they are made once you try them. The "Coppertop" version of these AAA size batteries does indeed last longer than pervious types of AAA batteries by Duracell. I really like this because I often travel by public transportation and I use my portable CD player to listen to music. I always get several hours more use out of these CopperTop Duracell AAA batteries; and that's grand! They contain no mercury which at least according to Duracell helps the environment.

Of course, these AAA batteries can be used in anything that requires them--not just portable CD players. Moreover, the reclosable storage pack actually does close neat and clean for you so that the batteries remaining inside the package don't get dusty or exposure to any elements if you're outside camping or something.

Use these batteries before their expiration date. The expiration date will always be several years into the future; but some people still have them lying around in a dresser drawer anyway. The problem is not only do they lose their potency; the batteries also begin to corrode. When the batteries corrode eventually a whitish powdery sticky substance begins to leak out of them and this makes a mess--trust me!

As the product description correctly notes, please do NOT dispose of these or ever place these in or near a fire. They could indeed explode. I wouldn't carry them loose either--they should be protected in their cardboard case or they should be already installed in your portable CD player, your flashlight or whatever device you placed them into.

Overall, these Duracell Coppertop AAA size batteries are the ones to choose if you need AAA size batteries. I highly recommend them for any device that needs AAA size batteries. Duracell offers their customers a toll free number they can call if they're not happy with these batteries; and that impresses me--that's good customer service on Duracell's part.

Use them in good health and enjoy!

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