Xantrex 115W Solar Max Flex Panel115W Solar Max Flex Panel This Xantrex Solar Max panel features solar panels with mesh grid technology that provides superior durability and performance benefits. With approximately 2000 contact points per cell, this mesh grid technology allows the panel to flex up to 180 degrees without impacting power output. Subject to extreme environmental and accelerated lifecycle testing beyond regulatory standards, the Max panel was tested 50 times more durable