| | |  | Lithium Batteries | Home » » » » ULTRALIFE 9V LITH FOIL PK | | | | | | | Description: | | ULTRALIFE 9V LITH FOIL PK | | | Features: | |
• Single
• 1200mAh
• Packaged in convenient foil pack
• Ideal for medical applications or music equipment use (wireless mic, pedals, preamps, etc.)
| | | Product Details: | | | Product Length:
| 4.5 inches | | Product Width:
| 2.5 inches | | Product Height:
| 1.0 inches | | Product Weight:
| 0.13 pounds | | Package Length:
| 4.5 inches | | Package Width:
| 3.0 inches | | Package Height:
| 0.7 inches | | Package Weight:
| 0.05 pounds | | Average Customer Rating:
|  based on 31 reviews |
| | | | Customer Reviews: | |
Average Customer Review:
 ( 31 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
18 of 19 found the following review helpful:
 50% failure rate for sealed batteriesAug 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.
17 of 18 found the following review helpful:
 As AdvertisedSep 19, 2007
By Lorenzo Sr
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!
15 of 16 found the following review helpful:
Is it nuclear?!?May 17, 2008
By Donald J. Strimbu
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.
8 of 8 found the following review helpful:
 Be careful!Nov 17, 2010
By djc
These batteries are just a bit bigger that conventional alkalines. I installed in two identical smoke alarms and one would not accommodate this product. The smoke alarm seemed to work for a while but then started chirping. The battery tested fine, I just think the fit did not allow the proper contacts to be maintained. I let you know if the other one fails as well!
11 of 13 found the following review helpful:
Looking for another brandAug 02, 2010
By Thomas W Hedrick
I had installed several of these last year in inaccessible smoke alarms.
after a sleepless night, with the usual beeping; I am looking for a better brand.
Max experienced life = < 2yrs; same as with a name brand alkaline battery
See all 31 customer reviews on Amazon.com
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