My favorite mod for SX-70 cameras, a conversion for I-Type film with an internal rechargeable battery. This way I can use all the varieties of integral film available (I-Type and 600). :
The Remora-01: An alternative Polaroid SX-70 battery - EMULSIVE
When using my Polaroid sx 70 it just makes a loud motor noise I have tried at least 6 different film batteries old and new it wasn't always like this I messed
How to disassemble a SX-70 Camera)
Adding external power to the SX-70 : r/Polaroid
Polaroid 600 Battery Holder for SX-70 - YouTube
SX-70 FAQ
Polaroid SX-70 Alpha 1 - Info about features and filming
the i-Question OpenSX70
the i-Question OpenSX70
POLAROID Pronto! SE
Retrospekt Breathes New Life Into Vintage Polaroid Cameras | PCMag
The Remora-01: An alternative Polaroid SX-70 battery - EMULSIVE
I-Type Film in SX-70: Polaroid 600 Custom Battery Holder Mod demo - YouTube
Polaroid SX-70 Starter Kit SALE
Polaroid SX-70 Alpha SE [1977]
Amazon.com : Polaroid Originals Mint SX-70 Flashbar : Electronics
Polaroid SX-70 cameras from the 1970s make a comeback
Resurrect a Polaroid Land Camera : 32 Steps (with Pictures) - Instructables
Working Polaroid SX-70 ALPHA 1 w/ leather strap tested w / battery pack #101 | eBay