![Officer.com: The Sentinel e3 and Sentinel X e3 Triple Fuel Flashlights](http://www.asp-usa.com/cdn/shop/articles/Blog_Post_126_727x321.jpg?v=1579284016)
Officer.com: The Sentinel e3 and Sentinel X e3 Triple Fuel Flashlights
"Because there is no such thing as having too many backup options on the street, ASP has introduced its first triple-fuel flashlights—the Sentinel e3 and Sentinel X e3. These lights ship with a 16340 Lithium-Ion battery that recharges inside the light, providing a potent 400 lumens of output."