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I just put in two brand new Ray-O-Vac AA batteries, tested them to make sure they were putting out 1.5 volts. The Carbon Monoxide detector proceeded to chirp three times every 60 seconds (which the printed advisory says means you need to replace the alarm). For the heck of it, I dug out two Energizer E91 batteries and put them in. Guess what- THE ALARM IS NOW WORKING PERFECTLY. Went looking in the forum for an explanation and saw a lot of "Opinions" that it shouldn't matter what battery you use but I just put it to the empirical test and it certainly did make a difference!
I just put in two brand new Ray-O-Vac AA batteries, tested them to make sure they were putting out 1.5 volts. The Carbon Monoxide detector proceeded to chirp three times every 60 seconds (which the printed advisory says means you need to replace the alarm). For the heck of it, I dug out two Energizer E91 batteries and put them in. Guess what- THE ALARM IS NOW WORKING PERFECTLY. Went looking in the forum for an explanation and saw a lot of "Opinions" that it shouldn't matter what battery you use but I just put it to the empirical test and it certainly did make a difference!
I like empirical tests. They make for fun logic puzzles as well as dispelling myths.
If you would indulge me, would you remove those batteries and wrap them in paper that you have darkened with a color felt tip marker (any color will do) and then reinsert and test? If they no longer work, would you then wrap the ray-o-vacs in foil, insert and re-test?
I'll leave it to others to figure out what my wild mind is speculating on and why.
I like empirical tests. They make for fun logic puzzles as well as dispelling myths.
If you would indulge me, would you remove those batteries and wrap them in paper that you have darkened with a color felt tip marker (any color will do) and then reinsert and test? If they no longer work, would you then wrap the ray-o-vacs in foil, insert and re-test?
I'll leave it to others to figure out what my wild mind is speculating on and why.
Sneaky!
If your hypothesis is correct, a Ray-O-Vac Fusion might also work.
I like empirical tests. They make for fun logic puzzles as well as dispelling myths.
If you would indulge me, would you remove those batteries and wrap them in paper that you have darkened with a color felt tip marker (any color will do) and then reinsert and test? If they no longer work, would you then wrap the ray-o-vacs in foil, insert and re-test?
I'll leave it to others to figure out what my wild mind is speculating on and why.
You are clearly speculating one goes out and buys a Duracell. Boom! Problem empirically solved.
You are clearly speculating one goes out and buys a Duracell. Boom! Problem empirically solved.
You are quite correct.
Ever try to use an off-brand ink cart in an ink jet printer? How about make coffee in a maker designed for only one brand?
You don't own an appliance until you can crack the seal and work on it and repair it yourself. If, by chance, this detector only could use one type of battery, I would want to know, so that I can avoid it. Besides, I find this type of puzzle more entertaining than following talking heads on the news and trying to figure out which side of the mouth they are lying from.
E91 is just a model number for a specific AA alkaline battery
I also was curious about this battery "requirement" on my CO Detector. I found an Energizer Product Data Sheet here: https://data.energizer.com/PDFs/E91.pdf, that says they are AA alkaline batteries - nothing about rechargeable. If they were rechargeable, it would definitely say so. I also found an ad from one of the images (can't find it again) that said they are single use. E91s (or E91 Max) are labeled as mercury free alkaline batteries. This would lead me to understand that they are still regular old AA alkaline batteries. To confirm this, you could always contact Energizer for final word. So, my final word: any AA will work. I'm putting Duracell in mine
I just put in two brand new Ray-O-Vac AA batteries, tested them to make sure they were putting out 1.5 volts. The Carbon Monoxide detector proceeded to chirp three times every 60 seconds (which the printed advisory says means you need to replace the alarm). For the heck of it, I dug out two Energizer E91 batteries and put them in. Guess what- THE ALARM IS NOW WORKING PERFECTLY. Went looking in the forum for an explanation and saw a lot of "Opinions" that it shouldn't matter what battery you use but I just put it to the empirical test and it certainly did make a difference!
You keep saying AA batteries. Are the ALKALINE batteries or plain old carbon zinc batteries. Alkaline batteries have a different discharge curve than plain batteries. It may make a difference. Replacing with another quality Alkaline battery should work.
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E91 is just a model number for a specific AA alkaline battery
