Most folks have discovered that when the Wireless camera is wired up to a servo cable and powered by the EZ-B, too much current is required to charge the battery and operate the camera at the same time so the battery is cut out and removed from the camera innards to prevent EZ-B brownouts.

Ah Thanks but this is not what I was trying to do.

I do NOT have my wireless camera hooked up to the EZ-B. I am just wondering if I can have the camera plugged into a USB wall socket charger while it is on, and have the camera charge and operate at the same time. When plugged into the Wall socket, or into a portable usb phone charger.

The charging process is not very smart in the camera so if a USB +5 volt connection is present then the battery is continually charging whether the camera is on or not.

So would a product like this work to extend the battery life of the camera?

USB Flash Charger Amazon

What you will have is a battery charging a battery. At some point both batteries will need a charge.

Yes, of course, this product was designed to be a battery charging a battery! Sooo it looks like the answer is a yes... it will extend operating time of the camera battery before it goes dead

Perfectly obvious.

Thanks for the info though Robot-Doc dude, it was helpful