I guess the old adage of "you get what you pay for is true" Well maybe. I had this 9 volt installed in a smoke detector. The other night the smoke detector went off. And then stopped. Shortly after that we heard like an electric LOUD pop. I went around the house looking for a fire. Checked the fuse box and ran around the basement although the pop came from very close to the living room. I finally after looking around thought I should check the smoke detector so I flipped it open to find the Menards North Tech battery had exploded and actually popped off the connector + - from the battery. The entire top of the battery was exposed. Very strange and not very reliable. I am just glad we were home when this happened or it would have been 6 months before I checked the smoke detector again. I no longer recommend these batteries. Would like a refund actually.
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