Olight Seeker 3 Pro - 4200 lumens - 21700 x1 – Best Light
Olight 217C50 21700 Battery for M2R Pro, Warrior X Pro, Odin
Akumulator 3,6V Olight 21700 5000 mAh (ORB3-217C50) | Sklep Militaria.pl
My XTAR X4 Extended is able to charge an Olight 18650 (not too surprised). However, it is somehow also able to charge the Olight 21700 despite the plastic ring around the positive