Battery connector model openscad code

difference()
{
union()
{
cube([13.55,7.25,7.25]);
translate([7.425,1.125,7.25]) {
cube([5,5,9.85]);
}
translate([1.125 + 2.5,1.125 + 2.5,7.25]) {
cylinder(h=9.85, r=5/2, center=false, $fn=100);
}
translate([1.125, 1.125, 7.25]) {
cube([5, 2.5, 9.85]);
}
}

union()
{
translate([1.125+2.5,1.125+2.5,-0.1]) {
cylinder(h=17.25+9.85+0.2, r=(5/2)-1.5, $fn=30);
}
translate([7.425+2.5,1.125+2.5,-0.1]) {
cylinder(h=17.25+9.85+0.2, r=(5/2)-1.5, $fn=30);
}
}
}