... I found you external battery packs that would give you "a spare set of batteries", external packs that would recharge your PDA, solar cells that would recharge or power your PDA while on the beach/in the park, alternate power options etc. but I couldn't find a PDA that runs on normal batteries ...
... the Psion 5 was the last one I had that ran on normal batteries, and it's not Palm OS.
Hey we tried ...
... the Psion 5 was the last one I had that ran on normal batteries, and it's not Palm OS.
Good luck