Maglite’s used(?) to be the king of flashlights ... So [Travis] decided to upgrade it to make use of the ever-so-common, 18650 lithium-ion battery. Not looking to purchase any components ...

With a maximum brightness of 4,600 lumens, it's a super-bright torch in an impressively compact body. Maglite's MAG-TAC Rechargeable LED Torch stunned me (literally) with its durability and easy use.