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 a buck below our mention from two weeks ago and the lowest total price we've seen for this set. (Outside of other eBay sellers and the deal below, it's also $4 under the best price we could find for two similar flashlights without chargers elsewhere.) 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.