Olight Seeker 2 PRO In NON-TECH, Tools by Edgar ArroyoDecember 27, 2019Leave a Comment The Seeker 2 pro is a powerful, rechargeable side-switch LED flashlight. Powered by a single, maximum capacity, (5000mAh) 21700 customized rechargeable battery, that helps this light deliver a maximum output of 3200 lumens.