Solar
I cant help you with your panels but I love solar lighting, especially for the garden, technology has come on a long way since solar lights first came out many years ago and it is great.
I used to have a dynamo (6 volts) lighting, but it put a lot of drag on my journey, especially up hills, so I junked it after several years and went solar
I went with this company
Welcome to Owleye
One reason was, I wanted the lights to be orange, we like orange

I am so glad I did as the front one is blinding, I charged it up and pointed it at the gf and almost burnt her retinas out, she wasn't impressed
Charge it for 6 hours you will get 6 hours constant light or 12 hours flashing!
"Eco-Friendly:
Stylish light with solar power technology for biking , hiking , backpacking , camping , adventure racing , boating , climbing and emergency lighting for home or vehicle.
Durability:
Sturdy, water resistant, elegant hard housing protects the light's inner component against the bump and crush , good for cycling in any weather condition.
Effectiveness:
2 hours Quick charge under sun. It works more than 1 hours for constant mode and 2 hours for flashing mode in full power condition."
I got the sunlight.set, and after initial fitting and riding, I found it best to mount the front one higher on the bars to avoid my knee, and dropped the rear one down to the bottom of the seat post as I got a new SKS seatpost bag
Night time riding, I found the front one is brighter than my old 6volt dynamo, no drag, and free to charge, cant be bad!