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Voltage 110+ vs 54....the qb288 V2 can be ran up to 5 or even 6 in series QB304 is limited to 2 due to the molex connector voltage rating. The V1 288 and 304 utilized Samsung LM561C where as QB288 V2 utilizes LM301B which is currently the most efficient white light led that I know of.

All boards go in parallel. Hook first output red to first board + and black to - .... Run that boards + to second boards + Run first boards - to second boards -. Repeat this with the other output and board 3 and 4. AC side is brown to black green to green and white to blue ... Matching the...

Not quit. We are moving into a new warehouse /production facility. We are going through initial factory inspection(last step to be a UL certified facility) installing an Smt line.. Remodeling office space and somehow still running this company. We will be growing plenty in the new space. We'll...

To run in parallel you will need to use A-type driver. So any 54-volt HLG series Meanwell will do.

I would think so.

yes

Look at Meanwell HLG-320h-c2800 to run 2 in series. You can also run 2 in series on an HLG-480H-C3500 I suppose.

We are working on it

It really comes down to die size as well. For instance Nichia has 2 different 2 die 3030 V1 leds. The NF2 and NT2 series. Both use 2 dies in series the NF2 using larger dies than the NT2. The VF will be lower on the NF2 and power handling is also higher as well. NF2 can be slightly more...

So much to learn. With everything we have going on sometimes my head spins lol.

$99 for board heatsink thermal pad and screws. $10 more for khatod optic.

They are produced in the US. Yes we will make them as well soon. Smt line arrives 10 am Friday.... Can't wait but also nervous lol.

These are a bit more efficient than cobs and the nature of spreading the heat evenly makes them run cooler.

Just a guess but 2.55-2.6. We will need to do more tests. The numbers I have shared are from sphere data thus far.

The efficiency is a bit higher as well. These are slightly more efficient than qb288 V1 but not quite qb288 V2. 2.35 umol/j board level (@ temp no air movement) @175 watts each.

2 should do. You could use APC 35-500 to power them both.

No these are 5050 8 dies per led. $99 as a combo heatsink, board, thermal pad and mounting screws. $10 optional khatod IP optic.

Lumileds and luminous