Other battery types
Other battery type flashlights
Acebeam PT10-GT
Penlight with 400 lumens on a 10900 Lithium Ion battery
Lumintop Glow I
Tiny and extremely lightweight keychain flashlight
Nitecore TUP
A multifunctional keychain flashlight with Micro USB charger and 1000 Lumens
Mecarmy CPL T
A wristband light with a max of 160 lumens