GT Nano 10440 tube
Material: Aluminum alloy with type III HA finished
Color: Black
Size: 14*48.1mm
Buy with GT Nano Copper/ Brass: https://lumintoplighting.com/products/lumintop-gt-nano-copper-brass-450-lumens-edc-keychain-flashlight-134 Warm notice: When the GT Nano black running on the 10440 battery on Turbo, there is titill the risk of burning the LED, buying the 10440 tube means you have acknowledged and will take the risk. The copper and brass version GT Nano has no issue with the 10440 battery.
The 10440 battery will load into a mini flashlight. Don't let it be fooled you.