Quote Originally Posted by mackrackit View Post

You need to draw the power from the batteries. A 33watt panel will not run an inverter alone. The panel is for charging.
I've used my IBM Thinkpad directly off the array in full sun using a (and this is going to seem backwards and inefficient) 12v to 120vac car adapter to my thinkpads power adapter 120v > 16vdc(?), and also in this configuration with just a 12v 7ah intermediate battery.