The Olight ORB-217C50 is a high quality customised 5000mAh Li-ion rechargeable 21700 battery specifically designed for the Seeker 2 Pro, Seeker 3 Pro, Seeker 4 Pro, Warrior 3S, Warrior X4, Warrior X Turbo, Perun 3, Odin. This is a proprietary Olight...