Full suspension bikes often have very little room in the frame for the battery and can not accept a standard rear rack.
Using a Thule freeloader rack can sometimes provide a solution.
Check out the gallery for conversions on full suspension bikes.
Here is a list of full suspension bikes that we know can accept the Lekkie Frame mount battery.

Giant Anthem 20″ or larger 2010-2012
Avanti Ridgeline Large