Adjustable battery pack owner enables to go the batteries front part and rear and left to suitable for simple and comfortable fat transfer modification. The owner allows to maneuver the battery pack which changes the Front/Rear weight security by 4mm. The brass material adds extra 7.5g weight for tuning the side-to-side security weight towards battery part for tuning side-to-side stability. Design of the battery pack owner eliminates any negative framework flex.