The Renogy Multi-Panel Mount has the capability to fit four different sized Renogy panels and is ideal for larger installations, such as cabins, backyard sheds, and commercial areas. Highly demanded, this solution is the perfect product for mounting multiple panels in a permanent setting. Anywhere roof mounting is not a possibility, this multi-panel mount can be applied. If you have been lacking space for mounting, this product will be the solution you have been waiting for! For larger solar systems put several Multi-Panel Mounts together for a clean, permanent setup. The Multi-Panel Mount with the 4FT beam is compatible with the Renogy 300W polycrystalline, 150W monocrystalline, and 100W monocrystalline solar panels.