My current shop is @ 1800 Sq' . I'm lighting the while shop with 4 lites . 2 100 watt LED hi bays with 14,000 lumens & 2 65 watt LED hi bays with 8,000 lumens . I bought them on Amazon & I think the 100 watts were @ $ 209.00 for the pair & the 65 watts were @ $ 70 something . I paid the extra...