Fenix E12 XP-E2 Mini Pocket LED Light with AA Battery and a Blue Keychain Light - 130 Lumens A single AA battery produces up to 130 lumens max output and 88 yards reach while users enjoy up to 22 hours runtime on the lowest setting. The tail tap switching controls all functions of this 90mm light. The Successor of the popular Fenix E11 Bundle includes: Fenix E12 with AA Battery, a Blue (LonghornTactical) Keychain Light