Originally Posted by wfield0455

If receiver power redundancy is a concern, you certainly don't need a powerbox to deal with that. Check out Fromeco's Wolverine switch http://www.fromeco.org/products/04frcwo-430s/ if battery redundancy is your main concern. The Wolverine has 2 inputs and 2 outputs and if either battery fails or is disconnected it still powers both receivers. Simple and not much more expensive than a pair of high quality heavy duty switches. I'm sure there are others as well that offer the same features..