They often get thrown in the garbage instead of being recycled. They can catch fire when punctured. Not something I would want near a small child when a NiMH would do just as well.
Lithium AA (like Duracell and Energizer) you buy at the drug store aren’t the same as lithium ion rechargeable batteries you find in computers and automobiles.
“When alkaline, NiMH and even lithium AA batteries rupture, the force and heat of the explosion isn’t anywhere near that of, say, an explosive li-ion failure”
Ya, but unless your 3-year-olds other toys included an icepick and a mallet, I think it’s safe enough assuming you’re also comfortable with them riding in a car on public roads. (Source: I have two boys age 3 and 5 who are not dead yet)
If it’s not a phone where size matters it’s almost always some generic battery that you could replace with another that’s not even the same size. They might have different connectors on it, but usually it’s just a positive and negative lead that somehow connects.
True, but literally the vast majority of people don’t know enough about batteries to do that. Which is what makes it anti-consumer and anti-environmentally conscious.
Many gadgets are smaller than an 18650 (the oversized thumb sized cell), which is about the only standard lithium size I’ve ever seen be replaceable. There’s hardwired rectangles everywhere, not just phones
I’ve seen cheap solar powered garden lights which used AA sized rechargeable batteries literally yesterday. A friend asked me to take a look why they stopped working, and I was astonished that it was a standard size, not the classic box with the thinnest possible red and black cables as usually in cheap plastic stuff like that.
My solar powered keyboard uses ML2032 coin cell rechargeable battery. They are rare, but exists.
You’re right and I forgot about those. Those sit in a different mental file under “solar lights that ship with the worst possible NiMH cells in a product that’s as waterproof as a sock”. I was thinking more of rechargeable on-demand use items like flashlights, power banks, wireless phone/computer peripherals, etc. It’s also a fair point that sometimes items that take aa/aaa cells will also have an onboard NiMH charger circuit and run off USB power if needed: a few mice/keyboards come to mind along with controllers. I haven’t paid much attention to that since I have a healthy stock of those rechargeables and got a few wall chargers that can do individual charging.
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