Olight SR1 ll Baton is My # 1 go 2 4 My EDC. Been using this series 4 yrs. Have 3 now & alway'z looking 2 buy more SR1 ll Baton'z. Quality made flashlight battery last all day, even a few day'z B 4 having 2 charge, quick charge with easy 2 use charging system. Multi brightness, 2 way pocket clip R Amazing. Highly Recommended