Hello! I'm a longtime reader, but infrequent poster. I just purchased a Jetbeam Jet-III M to replace by existing EDC, a Fenix P3D-CE. I'm probably going to get a Zebralight H60 headlamp soon too. I'm a newbie to the world of 18650 batteries. I've seen posts about some lights having problems fitting some 18650 batteries. I saw a 3000 mAh protected 18650, which is appealing becuase of the protection, and larger capacity. Any thoughts or recommendations? What about chargers? Thanks!