Olight AA 1.5V Lithium Battery 4 pack - Walmart.com
OLIGHT I5T EOS 300 Lumens Slim EDC Flashlight Dual-Output for Camping and Hiking, Tail Switch Flashlight with Beam Distance 196ft, Powered by Single AA Battery, Black - Amazon.com
Olight i5T EOS CU 300 Lumen LED Flashlight - Copper for sale online | eBay