Composite Adjustable Battery Holder & Backstop offer just and secure battery pack installation without tape and without unwanted effects on framework flex. The device controls the keeping with this pack inside framework while in addition reducing the battery power's affect framework flex, ultimately causing more constant maneuvering and security. Smart battery power holders are specially designed for LiPo batteries and so are strengthened for harder results. The battery pack holders prevent the batteries from going under battle conditions and crashes. The battery backstop system was in reality redesigned become used utilizing the increasingly typical shorty batteries. Now included in motor mount for effortless arranged and modification. The battery backstop prevents batteries from relocating a major accident. Inside front side component, the backstop is attached to the servo mount; in backside toward engine mount.