Inspired by recently buying a cajon, and my husband immediately buying another for additional living room seating because he loved it.
Inspired by recently buying a cajon, and my husband immediately buying another for additional living room seating because he loved it.
Well I have the enelope batteries the someone else suggested, and Amazon basic rechargeable. And devices like my Lazer thermometer, certain mice, certain flashlights tend to not operate fully or as long. Thought the device was just on it’s last leg until I popped a generic alkaline in it.
I don’t have any super fancy high end rechargeable AA batteries, I’ve just noticed over the years they’re not 100% equal in every device. I use rechargeable when I can, but have disposable alkaline if the device sees limited functionality with rechargeable.
It’s the voltage.
An “Alkaline” AA cell is 1.5v at new and it slowly tapers off as it discharges.
A “rechargeable” AA is 1.2v fully charged, and stays there until about 30% charge (IIRC, it’s been decades since I used them) then the voltage falls off a cliff.
From that you can see that a device that uses two AAs is designed to run at 3v, but when you use rechargeables, they only kick out 2.4v.
(They’ll do that 2.4v for a lot more AmpHours than the alkaline can do their 3v, and can be stuffed full of electrons to do it over and over again though)
Like everything in engineering it’s about the right tool for the job. 💛
I thought I remembered reading something like this, but couldn’t find it and then had to do other stuff.