Bushnell Pro 400 Lumen LED Flashlight (2 CR123 Batteries Included) - Walmart.com
Flashlight Batteries 101: Quick and Simple Explanation - YouTube
Amazon.com: LED Flashlight by Eveready, Bright Flashlights for Emergencies and Camping Gear, Flash Light with AA & D Batteries Included, Pack of 4 : Tools & Home Improvement
Tokeyla Led Rechargeable Flashlights High Lumens 4-Pack 5000mAh Batteries Flashlight Pack of USB Battery Charger Emergency Flashlights with Clip for Camping Outdoor Hiking Walking Dog-Black - - Amazon.com