http://www.cree.com/led-components-and-modules/products/xlamp/discrete-directional/xlamp-xml2

And

http://www.meanwell.com/search/hlg-120h/default.htm

My friend's father has a small supermarket and he has a cold room that he likes to light up with as many lumens per watt as possible so the heat will be minimal.

I would like to make this for him and connect 16 pieces of Cree XM-l2 in each lamp fixture then hook it up with a suitable driver.

I am not good at this but I would like to learn much more. Can I just put the LEDs in series and get the 48V driver?

Remember that my friend's father wants as little heat and as much lm/W as possible from this fixture. He needs 4 fixtures and I am keen on doing a perfect job for him.

My friend's father has a small supermarket and he has a cold room that he likes to light up with as many lumens per watt as possible so the heat will be minimal.

I would like to make this for him and connect 16 pieces of Cree XM-l2 in each lamp fixture then hook it up with a suitable driver.

I am not good at this but I would like to learn much more. Can I just put the LEDs in series and get the 48V driver? My friend's father wants as little heat and as much lm/W as possible from this fixture. He needs 4 fixtures and I am keen on doing a perfect job for him.

http://www.cree.com/led-components-and-modules/products/xlamp/discrete-directional/xlamp-xml2

And

http://www.meanwell.com/search/hlg-120h/default.htm

Hi,

My friends father has a small supermarket and he has a Cold room he like to light up with as many lumen per watt as possible so the heat will be minimal.

I like to make this for him and like to connect 16 PCS of cree XM-l2 in each lamp fixture then hook it up with a suitable driver.

I am not good at this but i like to learn much more. Can i just put the LED in serial and get the 48V driver?

Remember that my friends father like as little heat and as much lm/w as possible from this fixture, he needs 4 fixtures and i am keen on doing a perfect job for him.

Thanks for correcting my poor English! :-)

http://www.cree.com/led-components-and-modules/products/xlamp/discrete-directional/xlamp-xml2

And

http://www.meanwell.com/search/hlg-120h/default.htm

My friend's father has a small supermarket and he has a cold room that he likes to light up with as many lumens per watt as possible so the heat will be minimal.

I would like to make this for him and connect 16 pieces of Cree XM-l2 in each lamp fixture then hook it up with a suitable driver.

I am not good at this but I would like to learn much more. Can I just put the LEDs in series and get the 48V driver?

Remember that my friend's father wants as little heat and as much lm/W as possible from this fixture. He needs 4 fixtures and I am keen on doing a perfect job for him.

My friends's father has a small supermarket and he has a cold room he'd like to light up with as many lumen per watt as possible so the heat will be minimal. I've been considering the Cree XLamp XM-L2 and the HLG-120H 120W Single Output Switching Power Supply.

I'd like to make this for him and connect 16 PCS of the Cree XM-L2 in each lamp fixture then hook it up with a suitable driver. I am not good at this but I'd like to learn much more. Can I just put the LEDs in series and get the 48V driver?

Remember that my friend's father would like as little heat and as much lm/w as possible from this fixture, he needs 4 fixtures and I am keen on doing a perfect job for him.

http://www.cree.com/led-components-and-modules/products/xlamp/discrete-directional/xlamp-xml2

And

http://www.meanwell.com/search/hlg-120h/default.htm

Hi,

My friends father has a small supermarket and he has a Cold room he like to light up with as many lumen per watt as possible so the heat will be minimal.

I like to make this for him and like to connect 16 PCS of cree XM-l2 in each lamp fixture then hook it up with a suitable driver. 

I am not good at this but i like to learn much more. Can i just put the LED in serial and get the 48V driver?

Remember that my friends father like as little heat and as much lm/w as possible from this fixture, he needs 4 fixtures and i am keen on doing a perfect job for him.

Thanks for correcting my poor English! :-)