What flavors though?
Zappy
Eh, I prefer tingly.
If only 9 volts were that price, I’d stock up for the smoke detectors for the next 5 years.
For everything else, I bought a bunch of rechargeable AA and AAAs a while back and those have been great. Haven’t used a D battery in years and a C battery for decades. I assumed they stopped making C’s.
They make rechargeable 9vs.
Since it costs me virtually nothing, I change my smoke detector batteries every 6 months. That way I can do it at my own convenience, at like 2pm on a Sunday afternoon, instead of 3AM on a Wednesday morning when one starts to chirp.
Unfortunately, some things can’t handle the lower voltage AA so must use alkaline.
No, that’s old rechargables like NiCad and NiMH. They make rechargeable lithium ones these days that have an integrated BCU and output 1.5v until they’re dead. Many you can charge via USB-C or micro, so you don’t even need a special charger.
OP said he bought a bunch a long time ago, most likely not lithium. I’m in the same boat, they just dont work in all devices unfortunately.
Yea, it’s definitely worth being aware of what voltages your batteries deliver. Not even 18650’s put out the same voltage as either old or new “rechargable” sizes, so it’s always worth paying attention.
Though for normies, the directly plugin-able rechargeables are pretty sweet.
I moved into a house last year that didn’t have enough smoke detectors for my taste, and the two new ones I bought used AA batteries.
Wait, what?? Those are a thing?
I’ve seen some rechargeable smoke detectors but never had a reason to trust those. Everything else has used the old school 9v.
Sometimes they’re wired into the homes electricity and the battery is just backup.
I don’t get it
Batteries were on sale
It looks like a good sale ngl
