Looks like a great light. I have 2 questions about the charging:
Is reverse polarity protection present
Does it charge usb c-c, with pd negotiation, or is it hard limited?
I ask, because on your product page the following is stated:
Text on product page: Connect the USB charging cable to an external USB power source,
then attach the other end of the cable to the charging port of the light
(Recommeded USB power no less than 5W (5V 1A) )
The red indicator means charging, when the battery charging completed,
change to blue indicator.
Rechargeable function only for one 14500 (3.6V / 3.7V) rechargeable lithium battery!
When the battery is incorrectly insert the light,charging will damage the charging circuit.
Reverse Polarity Protection:
The flashlight has built-in reverse polarity protection for normal use. However, reverse polarity charging is not supported. Short-term accidental reverse charging may not cause immediate damage, but prolonged reverse charging can harm the battery.
Now that the 4500k 519a is not in production, would Skilhunt consider offering the 4500k B35AM as a replacement? It would be perfect for the M200 and H04/H04R.
Better R12, no angular tint shift, and full turbo brightness at low battery voltage.