Product Description

Duracell is getting better?and better! Duracell CopperTop is New and improved to meet the growing needs of consumers. The technology of CopperTop has been upgraded to provide advanced performance in popular battery powered devices.

Product Details

• Amazon Sales Rank: #1793 in Health and Beauty
• Brand: Duracell
• Number of items: 2

Features

• Pack of two 4-count packages of 9-volt batteries (8 total batteries)
• Delivers long-lasting, efficient, and reliable power
• Upgraded technology provides advanced performance in popular battery powered devices
• Ideal for a wide variety of products, including toys, remote controls, smoke alarms, and PDAs
• Ready-to-go source of power for your everyday devices

Customer Reviews

ideal 9-volt batteries
Duracell makes a great battery; and the "CopperTop" version of these 9-volt size batteries does indeed last longer than pervious types of 9-volt batteries by Duracell. These batteries always last a good long time after I install them in a smoke alarm I have.

Of course, these 9-volt batteries can be used in anything that requires them--not just smoke alarms. 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.

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 smoke alarm, your tape recorder or whatever device you placed them into.

Overall, these Duracell CopperTop 9-volt size batteries are the ones to choose if you need 9-volt size batteries. I highly recommend them for any device that needs 9-volt size batteries.

Great for fire alarms!
Although I'm sure my local fire department will cringe if they read this, I buy these things for our backups for our fire alarms and they last over 4 years! Wow! Now if I buy a knockoff brand, or even Energizer, I can only get 18 months out of them before they start squealing to be replaced. Plus, this 8 battery pack makes it awfully simple to have them around when it comes time to change them, and it's the right number for my house. Love these Duracells! Highly, highly recommend!

Great Long Lasting Batteries - Recommended
Duracell 9 volts are the only batteries I use in the wireless microphones we use for our instructional video business. We replace the batteries before every shoot and sometime run for up to 10 hours non-stop. Wireless microphones use a lot of power and we have found that the Duracell batteries can make it through an entire day of shooting, lasting about 25% longer than the less expensive generic types we tried before.

We also use Duracell 9 volts in our smoke detectors at home. They might be more expensive than some, but they are worth it in the long run.

Highly recommended!