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9v Long Life Lithium Battery |
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| If it last 10 years....then great! |
| Otherwise...even if it last 5 years in my smoke detector, I am well ahead of the cost curve and forgeting to change out the typical 9v every 6 months. |
| Dec 27, 2008 |
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| Is it nuclear?!? |
One Ultralife 9v has powered my portable headphone amp for almost 40 hours and it's still going strong! This is normally a 10-hour stint with a regular 9v alkaline battery. Not cheap, but I can imagine 5x normal alkaline life with these lithium powerhouses in low-drain electronics.
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| May 17, 2008 |
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| wonderful product |
| if you're sick of changing those smoke alarm batteries every year, this is the product for you. works very well. |
| Jan 28, 2008 |
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| As Advertised |
| A long life battery to make changing the battery in my not easily accessible smoke/fire detector as infrequent as possible. Very satisfied with the "Ultralife 9v lithium battery" which lasted approximately 4 1/2 years. Excellent! |
| Sep 19, 2007 |
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