The "premium" headlight from RadPower is awful, the standard one is far worse. I was looking for something that I had hoped I could wire directly into the headlight circuit of the 35A controller, but I couldn't determine how much current that circuit could supply.
I ended up with these running off their own battery pack:
https://www.amazon.com/dp/B08M5V2C6K?psc=1&ref=ppx_yo2ov_dt_b_product_details
I have them mounted to one of these:
https://www.amazon.com/dp/B09GKR71FP?psc=1&ref=ppx_yo2ov_dt_b_product_details
I kept the "premium" light on the bike and use it as my DRL, the two other lights are just for limited light riding. There are times I might be out at 3 or 4 in the morning going into work or heading home. The problem with these lights is there's no on/off switch and when they're connected to the battery the buttons glow. Thus draining the battery within a couple of days if not charged.
I 3D printed a plate to mount to the points on the bike, and mounted the battery underneath the frame and above the controller. I added in that switch that can be unplugged from the lights. I can then plug the charger into the switch turn it on and it'll charge the battery. The wiring for the headlights I fished down through the frame with the rest of the wires. That was a chore, and I can tell you, that when the holes are cut into the frame for the wiring, the burr is not cleared off. I'd bet that most bikes made suffer the same condition so be careful fishing wires it's very easy to rip the insulation off.
I'm running these as turn signals
https://www.amazon.com/dp/B0972G7SYH?psc=1&ref=ppx_yo2ov_dt_b_product_details . They also have red flashers that I use at night and the yellow can be activated as "4-ways" like a car. I've found that cars give me more "respect" when I'm using the turn signals. It's helped greatly with those that hover behind you, if I put on a signal, they'll hang back and let me get into the lane and turn. Most do anyway.
These charge quickly and hold a charge for a very long time. Any time I use the headlights as soon as I get home I plug them in to charge because I found the battery doesn't last nearly as long as the manufacturer says. The turn signals beep when activated, each side is a slightly different tone. Problem is, with the road noise the beep is difficult to hear.