this post was submitted on 27 Dec 2023
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As some used to "gotchas" and things aren't free, I'm wondering what kind of shortcomings[1] these batteries have that others do not.
[1] for example acid batteries can push a lot of power, but they are heavy and contain lead and well... acid. The nickel cadmium doesn't contain lead and acid, but has memory so you should follow discharge them before charging again. They are lighter, but still not light. Lithium ion are light, don't have memory, but can explode, also lose life if they are kept fully discharged or charged for long periods of time. They also slowly discharge when not in use, mainly due to protective circuit needing electricity to run.
Their only downside is having a little less energy density than lithium ion ones. You need a larger battery for the same capacity basically. Everything else is a positive - they are even non-flammable and the materials to make them are abundant and easy to obtain.
Thanks. That's awesome to hear.
Interested to know about durability also :-)