Free charger cost about USD9! 
Grab them before they are gone.
I wanted to see beamshots of this light before I buy it. But there was a free gift…. So I pulled the trigger. I’ll just have to play around with different emitters if I don;t like the beam.
Thanks Freeme!
Awesime!!!
Got the message, thx!
Question, is 219C 5700k 90CRI??
Allmaybe D2 by XTAR
Ordered, many thanks freeme
Already purchase.nichia 5700k
Ordered, thanks freeme
Ordered, thanks freeme.
Only 9 preorders, but the charger is already sold out?
I received one from my order.
I am not surprise as it is a lose money deal. 
Hi lightdecay…. what are the best kelvin for sst20s
Ordered 1 sst20 6500k…. Thank you freeme
@Chinaheart, the best color temperature(in kelvin), is 4000k, since it is 95CRI(vs 70CRI for the SST-20 5000k and 6500k).
That means it has much better color reproduction(because of the 95 Color Rendition Index) and better tint.
Thank you BlueSwordM for the guidance……
Are they 90CRI?
Yes, 90 CRI
There is no best option, it depends on personal preference.
If you don’t know, choose 2700K or 4000K, only those are 95 CRI. If you like warm yellowish light from incandescent light bulbs, then choose 2700K, otherwise choose 4000K.
5000K and 6500K are only 70 CRI. 95 CRI (color rendering index) is better for accurate color reproduction.
Since these are preorders, you can probably still change your order if you want, even if you already ordered. Just chat with Banggood.
Thank you for the info…
I need the light in a quarry area to illuminate whats going on in the operation ( flood light) and sometimes i need to focus only in one area ( throw) in this regards, what can you suggest for flood and throw …
I don’t know.
This is only a preorder, no one has a Convoy S12 yet. You might find Convoy S12 to be good enough for both. Once you get it, you will know how well it works for you, and if you need something different for flood/throw.
It’s going to be floody either way, but for throw, I’d recommend the SST-20 version anyway.