ORIGINAL: RCKen
You would have to check if it fits. I got the info about the battery from another guy in our club. He built his with a single servo and had that issue, but I know he was using a square battery pack. If yours fits good, if not it's easy to move.
Ken
I wound up building mine with a AAA 4 battery flat pack and put the battery in the top of the fuse, alongside the throttle rod forward of the servo tray. It doesn't interfere with rod movement and balances well with a Magnum 52FS.