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Best Sellers | | Home Ultralife U9VL-J-10CP 9V Lithium Battery Contractor Pack | |
|  | |  | | | Ultralife U9VL-J-10CP 9V Lithium Battery Contractor Pack | | | | | | | |
List Price:
| $79.95 | |
Our Price:
| $52.89 | |
You Save:
| $27.06 (34%)
| | *Shipping: | $3.64 | |
*Shipping:
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| | | SKU:
U43610276 | | In Stock | | Availability:
Usually ships in 2-3 business days | | |
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| | Features | 10 packBoxed "contractor" packWorld's longest lasting 9V battery?up to 5x longer than 9V alkaline batteries10-year warranty in most smoke alarms
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| | Description | 10 pack. Boxed "contractor" pack . World's longest lasting 9V battery–up to 5x longer than 9V alkaline batteries. 10-year warranty in most smoke alarms | |
| | Product Details | | Product Length: | 3.6 inches | | Product Width: | 2.2 inches | | Product Height: | 2.2 inches | | Product Weight: | 0.85 pounds | | Package Length: | 3.6 inches | | Package Width: | 2.2 inches | | Package Height: | 2.0 inches | | Package Weight: | 0.85 pounds | | Average Customer Rating: |  based on 18 reviews |
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| | Customer Reviews | Average Customer Review: ( 18 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
12 of 12 found the following review helpful:
 50% failure rate, right out of sealed package Aug 15, 2011
By NoSpam
I've been using these batteries for over a decade. I usually buy 10 at a time. The last batch I purchased had a 50% failure rate. Opening the sealed package had batteries with leaks, discolored bodies and low voltage.
Several attempts at contacting the manufacturer, including filling out the RMA form have been 100% ignored. They even have section on the website dedicated for RMAs for the batteries, so it's clear that they know about the problems.
Won't ever touch anything with the Ultralife name on it.
There are now other choices such as Energizer for lithium 9V cells. At least they actually honor their warranty.
7 of 7 found the following review helpful:
 Long term experience - 9 years Sep 02, 2011
By A customer
I got tired of chirping smoke detectors and put these batteries in my 11 smoke detectors (I have a large home with 7 bedrooms) in December 2002. Today (September 2011) almost 9 years later some just started chirping. I had one battery that was never used, and I put it in new detector about a year ago (the battery was 8 years old, but never used). It is interesting to me to note that the old battery only lasted about a year.
In other words, they may not last a full 10 years (they claim "up to 10 years") but they did last almost 9 years. HOWEVER, if you get new batteries that have been sitting on the shelf for many years they may not last long at all. Make sure they were recently manufactured and they will last a long time. I'm ordering replacements now. I suspect some discounted batteries may be "new old stock" and that accounts for the problems some people have experienced. I definitely like the ability to put the batteries in every detector in the house and forget about them for 8 or 9 years - no more chirping!
FYI, my smoke detectors are connected to AC power, but use these batteries as backup.
5 of 6 found the following review helpful:
excellent batteries Jan 01, 2011
By JMS
Regarding the reviewer who got a year and a half use out of these batteries: I suspect the problem is his smoke alarm DOES use the batteries for power ("supposed to" or not). He should put one fresh battery in his detector and leave one unopened on the shelf. When the detector beeps "lo-bat" he'll find the battery on the shelf is still good as new.
I check mine with a voltmeter before installing them, and they always read >9v even if they're 3 years or so into their 10-year shelf life. My alarm sensors do use the batteries for power, and the batteries last about 1-2 years once they're installed.
2 of 2 found the following review helpful:
Good Battery. Dec 25, 2010
By Brian
I got mine over a year ago and they are still going strong. I don't know if I'll remember to update this in 9 years but if they go out sooner I'll probably update. I'd recommend at this point.
10 of 14 found the following review helpful:
Dead in 17 months in smoke alarm Sep 06, 2010
By ixion
"ixion"
Dead in 17 months. These things are supposed to last up to 10 years in an electric smoke alarm, i.e. it doesn't power the smoke alarm, it's just there as a backup in case of power failure. Well, I purchased 14 of these, and after 17 months, two have already failed (typical beep in the middle of the night, why does it always happen at night?) and I fully expect the rest to start failing one by one. Go for another brand or stick with regular alkaline for a fraction of the cost.
See all 18 customer reviews on Amazon.com
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