List of battery powered appliances etc.?

[HunterNurturer]

Does anybody have a survival-related list of battery powered stuff?
ie things that we can invest in now that alongside a solar powered aa battery charger or similar, we could use them pretty much indefinitely?

Obviously stuff like radios and torches, but maybe kettles? hotplates? battery powered tent heater?
Would be nice to stock up on a bunch of these kinds of things, anybody else have any ideas?