Or
Citizen.1818C4.3000K 108 COBS @2.1A ON 4.9 PROFILE HEATSINK
192 SQ.FT. CANOPY 93% EFFICIENT DRIVER @8.5 CENTS PER KWH
Total power watts at the wall: 13168.82
Cobs power watts: 12247
Total voltage forward: 5832
Total lumens: 1690086
Total PAR watts assuming 10% loss: 4645...