Energizer Eveready LED Floating Lantern, 2xD Batteries Included. Bright and dependable, the EVEREADY® READYFLEX™ Floating Lantern is a great choice for everyday needs. Perfect for use around the house or the campsite or work site. Lantern floats, so it cannot be lost in water. LED bulbs shine brighter, conserve batteries and last a lifetime. READYFLEX™ Technology; Runs on 2 or 4 D Batteries. Features long-lasting LED technology, this ergonomic solution also shines up to 4X brighter than standard LED technology. Powerful beam and extraordinary runtime up to 160 hours (4 CZ batteries) or 350 hours (4 Alkaline batteries). Includes 2 D Eveready® Super Heavy Duty® batteries.