Photos showing mock ups of the battery pack size required to make sure all will fit.
Total of 16 60 amp hour lithium batteries stacked on the their side, each individual battery has the dimensions 203mm x 114mm x 61mm
This shows there will be 3 stacks arranged vertically. two stacks will have 6 cells and the smaller stack at the back will have 4 cells
The foam block at the base shows the size of the Altrax controller