I-Type Film in SX-70: Polaroid 600 Custom Battery Holder Mod demo

Slim external power solution for SX-70 cameras and CB-70 integral film backs. Helps preserve the SX-70’s compact handling without a bulky power solution. The thickness is just below that of a AAA battery on its own. This is primarily a DIY application with free files and instructions coming soon. I might offer the plastic holder for those without 3D printers, but that’s TBD due to a lot of commission demand on retrofitting SX-70’s with these right now.

The camera body is not harmed, just remove part of the bottom covering or make the necessary holes in the covering to access the power terminals. The tripod socket is not needed and will be blocked with this approach. I don’t personally use the tripod with 600 ISO but maybe I’ll make a bracket with ARCA plate if there’s enough demand.

Capacity is 750mAh. Compare this with OneStep cameras that are reportedly 1100mAh and can shoot 15-20 film packs. In theory this solution lets your shoot 8-12 packs or 64-96 frames. [Update, this varies with SX-70 because of extra power required for the mirror and can be as low as 2-3 packs per reused battery.]

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Free files here (older revisions): https://www.printables.com/@SPRKPLG/m...
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