Vortex 180 Battery Wall / Guard

I like to fly larger packs on my Vortex 180, but the back of the battery isn't secured with a strap and can slide close to the rear props. I created this simple battery wall that you screw down on the rear arm-plate screws and it prevents the battery from coming too close to the props.

I made v3, which is a little larger and has a slot so I can thread a battery strap through. I think this is much better than the original as it keeps the back half of the battery firmly locked in place, even du