Ending today at 11 am ET, Gome668 via eBay offers the UltraFire S-15 Cree XM-L T6 2,000-Lumen LED Flashlight with Battery Charger 2-Pack for $11.98 with free shipping. That's tied with our mention from two weeks ago as the lowest total price we've seen for this set. (Outside of other eBay sellers and the deal below, it's also the lowest total price we could find for this set by $18.) Each flashlight features a convex lens, three modes of operation, and waterproof design. They each require one 18650 3.7-volt battery (not included).
Don't want the battery chargers? You can also get just the flashlight set for $10.98 with free shipping.