Streamlight Protac HL 5-X FlashlightThe super bright 3,500 lumen full size ProTac HL 5 X flashlight is available two ways: A complete rechargeable system includes two of our new Streamlight SL B26 protected Li Ion USB rechargeable battery packs with an integrated micro USB charge port, or it's available with four CR123A lithium batteries Multi Fuel uses two Streamlight SL B26 protected Li Ion USB rechargeable battery packs; also accepts four CR123A lithium batteries Features TEN TAP