$149
Might get it cheaper on other sites, not sure
The Spider Farmer SF1000 LED Grow Light will replace a 200W HID grow light. Enhanced 3000K/5000K + 660nm & 730nm horticultural spectrum. 2.7 umol/j. 2 x 2 flowering. Buy NOW!
www.ledgrowlightsdepot.com
That'll do 2 x 2 of your 2 x 4 and run your yueme 262w...? - I couldn't find any info on the web about that light? Are you sure you've spelt it correctly? - will do the other end.
One plant a light, should be good.
Any more info on the yueme to determine it's real wattage would help