RE: GWS Beaver Battery
Hi Ryan,
I remember you from the E-Zone a few years ago.
The GWS Beaver is a geared Speed 370 power system. The stock battery compartment will only accomodate certain flat packs, so if your 720 packs are folded, you may have a problem.
An 8-cell pack of NiMH cells or 2-cell Kokam 1500 pack should work fine.
Regards.