Tweak-free completely adjustable battery owner is incorporated into along side it guards allowing effortless and fast battery position modifications, and easy battery pack installation through the smart quick-release system. The battery pack can be easily relocated front/rear to adjust the balance for the car. When the rear engine brace is eliminated, the battery pack are relocated entirely rearward to maximise a corner weight bias and generate additional traction on the back suspension system. The height regarding the battery backstop normally adjustable for various battery pack sizes. The battery owner is installed toward chassis through one linking screw for each side brace to eliminate any negative effects on framework flex. The battery holder is universal for both Dirt and Carpet version.