| ULTRA LIFE, 10 year, smoke alarm battery, U9VL-X |  | Brand: Ultralife
Category: Home Improvement
List Price: $7.95
Buy New: $5.40
as of 9/9/2010 01:44 CDT details
You Save: $2.55 (32%)
New (18) from $5.40
Seller: TechUStore
Rating:  30 reviews
Sales Rank: 14,839
Media: Tools & Hardware
Number Of Items: 1
Batteries: 1
Shipping Weight (lbs): 0.1
Dimensions (in): 0.8 x 3.8 x 4.5
MPN: U9VL-XC
Model: U9VL-X
UPC: 740286100109
EAN: 0740286100017
ASIN: B00004W3ZE
Availability: Usually ships in 1-2 business days
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| Features:
| • | Upgrade all your smoke detectors to 10-year life with the only battery warranted for 10 years | | • | Reliable lithium battery keeps life-saving detectors energized for a full 10 years | | • | Eliminate the cost and inconvenience of yearly battery changes in your smoke detectors | | • | Forget all those low battery alarms that always seem to sound in the middle of the night | | • | A must for second homes where smoke detectors can fail when you're not there |
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| Editorial Reviews:
Product Description
Lasts up to 10 times longer than regular batteries10-year warranty in most smoke alarmsUL approved
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| Customer Reviews:
Showing reviews 1-5 of 30
 Ultralife 9-volt lithium battery life in smoke alarms and carbon monoxide detectors November 23, 2006
Industry Expert
22 out of 24 found this review helpful
To clarify some of the other comments here, the Ultralife 9-volt lithium battery is designed to operate an ionization-type smoke alarm for 10 years. The packaging for the Ultralife U9VL-X 9-volt lithium battery indicates that it's a smoke alarm battery. It will not power a carbon monoxide (CO) alarm for 10 years since a CO alarm operates at a higher current drain than a smoke alarm. Also, the sensor in most CO alarms is designed to operate for 5 to 7 years depending on the brand and model, after which the entire alarm has to be replaced. While the Ultralife battery should outlast an alkaline battery in a CO alarm, and other devices, by 2 to 3 times, don't expect it to last 10 years in devices other than ionization smoke alarms.
Five-Year Worked Great, I'll Trust the Ten-Year November 26, 2007
Brickbat70 (Missouri, USA)
13 out of 15 found this review helpful
I haven't yet used the Ultralife 10-year battery but I can vouch for the 5-year version. I just pulled one from a smoke alarm and I had dated it July 13, 2003. So it lasted four years and four months, less than five years but it was also the smoke alarm closest to the kitchen, and thus was probably a bit drained by the fifty or so burnt cooking false alarms over the past four+ years.
Ultralife makes a truly great product so I gladly upgraded and ordered four of the 10-year batteries. The added safety and convenience makes them worth every cent.
I'll update this review in 8-10 years when these batteries stop working.
Ultra Long Life Battery November 12, 2000
13 out of 16 found this review helpful
I've been using one of these for about 5 years now. It just keeps on going and going and going....
10 year claim is valid December 30, 2008
P. Kocurek (Dallas,TX)
4 out of 5 found this review helpful
The title of this item is incorrect. It's actually U9VL, not UPVL. Apparently the 10 year claim is valid for the U9VL-J battery (that's the same battery Amazon is selling here). Here's a thorough study where they validated it:
[...]
Seems Good May 21, 2010
The Writing Chef (Los Angeles)
1 out of 1 found this review helpful
It works, but how do you review a 10 year battery after only a few months? All I can say is that I hope it keeps working for 10 years. I keep mine in a smoke detector in the attic, so it's certainly a convenient purchase.
Showing reviews 1-5 of 30
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