|Item Weight||1.6 ounces|
|Product Dimensions||0.8 x 3.8 x 4.5 inches|
|Item model number||U9VL-X|
|Batteries||1 Lithium ion batteries required.|
|Item Package Quantity||1|
|Battery Cell Type||Lithium Manganese Dioxide|
|Warranty Description||10 Year|
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ULTRA LIFE, 10 year, smoke alarm battery, U9VL-X
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- Voltage: 9V
- Battery type: Lithium Manganese Dioxide
- Battery Capacity: 1200 mAh
- 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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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Great Household||Amazon.com||Amazon.com||Enegitech||MYBATTERYSUPPLIER||Bay 15|
|Battery Cell Type||Lithium Manganese Dioxide||Lithium Metal||Alkaline||Lithium Ion||Lithium||Lithium Metal|
|Size||—||2 Count||8 Pack||CR9V||9V||—|
|Voltage||0 volts||—||9 volts||—||9 volts||—|
Lasts up to 10 times longer than regular batteries10-year warranty in most smoke alarmsUL approved
From the Manufacturer
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.
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If the battery didn't rust (poor materials in manufacturing), it would be a good battery. As it is, it is an expensive rusty piece of junk.
I'm writing this rare review as I've just replaced my 4th of a dozen Ultralife batteries I installed. The first 3 lasted about a year. The 4th less than 2 years. A one-third replacement rate (so far) is not what I would call a product that has lived up to its claims.
To rule out a problem with the smoke detector, I installed a new battery. No problem ocurred.
In prior years Ultralife made good batteries -- when they were manufactured in the USA. I think that is no longer the case for those batteries manufactured in China. Improvement in formulation, manufacture or quality control must be achieved if this brand is to able to maintain its former reputation. That's my opinion.
I can no longer recommend this brand of battery and would caution others to be aware of batteries made by suppliers with certain factories in China. That may be a broad brush stroke but with matters of Life Safety, I will not compromise, and I submit, neither should you.
Fit no problem in the other smoke detector so am happy about that one. So now I have 6 smoke alarms in the house all with 10-year batteries except 1. I might just replace that smoke alarm to make things simpler or the battery will go into an alarm clock as it's backup battery.