The davinci 18000 is the top product of the nebo davinci flashlight series and is the brightest to date with 18,000 lumens. it is a sturdy but refined design and includes our latest smart tech features such as optimized cob, smart power control (spc), smart temperature control (stc), low level direct start and our patented mag dial for quick and easily selecting. usb-a to usb-c charging cable. removable cord. rechargeable battery batteries. works with 1 li-ion 21700 7.4 v 5000 mah battery