I think single-use batteries should be banned.

Unfortunately, some devices simply don’t work unless you have the voltage curve of an alkaline/lithium battery, or they’ll show a “low battery” even with a relatively fresh NiMh rechargeable batteries.

If devices could all accept lithium rechargeable batteries, or something else better than NiMh, then there’d be very little reason why you’d need to use single-use batteries.

I’d love to take advantage of super capacitors if they became more readily available. Many dashcams use them instead of internal batteries, and they make a HUGE difference when using them in the cold, and they are safer than using lithium batteries in the summer heat, too.