1- E2LAA w/kl1 head - it’s a AA enough said
2- E2o w/10 x lamps - for EDC
3- A2LED white - I work security nightshift
4- 6P w/10 plus lamps P60/P61/P60LED/Malkoff
5- E2L w/KL1head Surefire
After 45 years of using flashlights
Every make/model - may/could/will - malfunction
Most of these...