There’s a 531 supposedly 4300K ra95 among the leds, but the phosphor doesn’t resemble the description. By the eye I’d say its a 5000K but have yet to see it lit up
The 7036 4500K DD by billy looks legit. Also got a 5000K one.
Leds you’ll find on goofish then copy the link into superbuy or contact @billy_s . Going through this thread might also give you all the answer you’re looking for.
Regarding batteries, you can find some on aliexpress or you can browse through the taobao and copy the link into superbuy to see what’s possible to buy or not.
I’m not sure if you can find this where you live, but this paint is extremely durable.
Rapco paints makes paint for restoring military vehicles. I’ve used it to paint firearms and it lasts for years.
I’ll heat the object to around 150f, paint in light coats, flash dry with heat gun, then into the oven around 200f-250f for an hour or so.