@lmorchard Put AAs in *all* the things.
(For that matter, I have a friend that converted her *e-cig* to use AAs in the most janky manner. Apparently Eneloops are low enough internal resistance that it actually worked OK.)
A slider would be right out, but a candybar… the RIM 850/950 were 0.9" thick with a AA behind the screen, and that was 1990s tech.
Really, I find the obsession with thinness in modern devices misguided anyway - make a chomnk of a device, nicely fill the hand, rather than have a slab that the hand has to contort to hold...
@ajroach42 Er, 1993 actually
A social network for the 19A0s.