Yes, I'm positive. Deep cycle batteries provide a steady current for long periods of time and regular car batteries provide very high current for short periods of time.
To run electronics, you need continuous current, not a short burst; hence using deep cycle batteries on boats, and solar applications. Virtually everything runs off of AC, so you need an inverter to switch your deep cycle battery bank, into usable AC. Totally doable, a bit of start-up cost; but well worth it in the end if you're removing your need for 'the grid'.