Batteries are included with our Nite-Flight Light Kits. When the original set wears out, you'll want replacements handy. A case (168) of top quality, U.S.-made, C-cell Alkaline batteries. Our Nite-Flight Lights take 3 C-cells each. 40 lights/kit will require minimum of 120 cells. Bulk packed, replaces 1 tray/5 lights of accessory space in the 1660 case. Sold included with with kit purchase ONLY.  Brand may vary from photo.