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Ultralife U9VL-XC Lithium Manganese Dioxide Smoke Alarm Battery U9VL-XC General Purpose Batteries
The Ultralife 10 Year Smoke Detector Battery is the only 9V battery warranted to last 10 years. Alkaline batteries in smoke detectors have to be changed every year. With the Ultralife 10 Year Battery, state-of-the-art lithium technology keeps your life-saving detector energized for a full 10 years. You can forget all those "low-battery" alarms that always seem to sound in the middle of the night. It is a must for second homes where your smoke detector can fail when you're not there. This battery contains no toxic metals.
Package Quantity: 1 | Style Name: CLASSIC
I put in new smoke alarms April 2008, bought these batteries to use when I needed to replace batteries and finally put them in 4 years later (April 2012). Read morePublished 17 days ago by susan
I bought several for our fire alarms. They worked fine in the first year. Then my fire alarms would buzz from time to time to show low battery. I have different brands of alarms. Read morePublished 1 month ago by Joe in Murray, UT
Absolute junk, a few are dead that were still in the package. A couple others were at less than 5 volts. In my detectors they didn't last two years. Read morePublished 4 months ago by Fred
The advertised "10 year life" might be accurate....in dog years, maybe.
I bought 10 of these in 2011 -- paid over $100 for them all. Read more
I got the complete clarification from the manufacturer. It is not a ten-year life as the ad purports it to be. It is a 10 year shelflife. That is all. Read morePublished 6 months ago by Larry Singer
We were having to replace out smoke detector/natural gas alarm every month. I researched this battery and purchased this from Amazon. It arrived quickly and we installed it. Read morePublished 7 months ago by Danny