Super strong Neodymium (NdFeB) magnets with 4/40 internal screw thread attach right onto any Voltaic solar panel with corner screws (2, 3.5, 6, 9 and 17 Watt solar panels).
The 9 Watt 18 Volt solar panel is lightweight, waterproof, and easily mountable for medium term (5-7 year) outdoor applications. Pairs with the Voltaic V88 or V70 battery packs.