Sealight_LED via Amazon offers its Sealight 50-watt LED Headlight 2-Pack with Conversion Kit in several sizes (H11 pictured) for $59.99. Coupon code "JAHBPIAR" drops the price to $35.99. With free shipping, that's $84 off and the lowest price we could find. Each waterproof light features 16 CSP LED chips, an 8,000-lumen output, 360° beam angle, cold-pressed aluminum heat sink, and 12,000 rpm cooling fan.

Also available is the Sealight 100-watt LED Headlight 2-Pack with Conversion Kit in H4(9003) for $41.99 with free shipping via the above coupon. That's $98 off and also the best deal we could find. Its features are similar to those above, except it has 32 CSP LED chips and a 12,000-lumen output. Both deals end November 30.