Lipo Battery Mount consist of an A-Plus RC Velcro strap, two screws and two mounting brackets made of 7075 aluminum for XRAY T4 R/C Cars. This simple system is easy to install and secures the battery tightly. The mounting screws and brackets are mounted at both ends of the battery, with the Velcro strap looped around both screws, tighten down by the Velcro strap.