Use coupon code: SOLAR40-gux3z8jj at checkout.
When I applied it It was a touch over 40% off which I think they added to compensate for the shipping charge. Out the door after taxes and shipping my total charge was $32.50.
I have the Wasserstein panels for my other ring cameras which work great. They retail for $40 on amazon. These are the Ring brand and retail for $49 usually.