Succesfully modded an Impulse to run on 4 AA batteries. I can assure you this camera is annoying to work with. 600 is much easier to take it apart tbh. : r/Polaroid
How to Shoot Polaroid i-Type Film in a Old Polaroid 600 | PetaPixel
SOLVED: How do I install batteries? - Polaroid Sun 600 LMS - iFixit
A Polaroid SX-70 battery alternative | by Nuno | Medium
What to do if you have a dead battery in a Polaroid film cartridge
Finished Polaroid conversion of 600 camera to take I-type film : r/Polaroid