Ultralife 9v Long Life Lithium Battery
by Ultralife
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Digital Cameras Photo Reviews of Ultralife 9v Long Life Lithium Battery
Customer Review: THUMBS DOWN - DOES NOT LAST AS ADVERTISED
Summary: 1 Stars
Bought 3 of these a few years ago,best by date was 2017, put one into service with very sporatic use and it was dead in less than a year
Pulled out the other 2 batteries today, and with NO use what so ever (stored at room temp) both batteries were dead, dead, dead. Contacted the maker about the warranty, and was told to ship them back to them for replacement. I don't think so - track record is abysmal and I really don't even want to try them again. Have ordered replacements by Engergizer - same ballpark price range, and a KNOWN track record with lithium batteries
John
Customer Review: Do not last, poor durability
Summary: 1 Stars
I bought two of these Ultralife 9V batteries and placed each of them in a different outdoor motion detector. The previous Duracell Alkaline 9V battery lasted 2 years. The first one of these failed after 15 days, the second one lasted 4 months. Others have reported poor durability when used in other types of devices. Bad deal due to unproven claims.
I guess we need to wait until a reknown company like Duracell or Energizer comes up with a real working version like they have with the CR 123.
Customer Review: Dead in 17 months
Summary: 1 Stars
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.Customer Review: Long Life!!!
Summary: 5 Stars
I use these batteries in my Ibanez BTB450 Bass guitar. It has an 18 volt active electronic system. It activates when I plug in to the guitar. If I forget to unplug, it keeps the system operating as if I'm still playing. When I use Alkaline and I leave it plugged in overnight it saps the battery. However, I left these monsters plugged in two days and thought for sure I would have to replace the batteries. Well, I have continued to play on them for an additional month now!Customer Review: Be careful!
Summary: 2 Stars
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!