Originally Posted by Jochim_18

They used a better grade 7075 aluminum. And it accomodate LIPO batteries. I have to modify my E4 to fit lipo. I'm just wodering if they race up the bulkheads to make the lipo fit ot if they modify the battery tray. Because on my E4 I have to shim (0.5mm) the the upper deck for my lipo to fit.