Olight Customized 18650 Rechargeable Lithium-Ion Battery (3.6V, 3500mAh) For Olight Warrior Mini 3, Warrior Mini 2, Perun, Baton Pro, Warrior Mini, S30R II, S30R III, S2R Baton, R20 Javelot, and H2R LED Flashlight BATTERIES-Universal Batteries & Chargers