How does this cob:
CITIZEN 3500K 54,9V CLL040-1818A5-353H1A7
$12 @ ebay: https://tinyurl.com/CLL040-1818A5-353H1A7
Data sheet: http://ce.citizen.co.jp/lighting_led/dl_data/datasheet/en/H_3500K/CLL040-1818A5-353H1A7_P2123_0512.pdf
Compare to:
CITIZEN 3500K CLU048-1212C4-353M2M2-F1 Version 6
$12 @...