The LED2000 System is the latest innovation in underwater lighting from Sartek. TheLED2000 System answers diver's concern with travelling with dive light batteries.  The LED2000 System uses 26650  Rechargeable Lithium Ion Batteries. The LED2000 produces 2000 lumens at 6000K. The battery canister is 1.75" in diameter, the lighthead is 1.75" diameter at the head and 3.5" long. The lighthead and the battery canister are machined from Solid Delrin rod, a extremely strong and durable engineering polymer and the batteries are held in a copper sleeve which protects the batteries from physical and thermal damage. The battery canister is double O ring sealed and is activated by turning the cap clockwise for ON and Counterclockwise for OFF.  This system is the epitome of the KISS principle. The LED2000 system comes with 26650 rechargeable Lithium Ion batteries, USB charger and is available in canister/battery configurations with BL10(4 hour burntime,6.5" long), BL15  (6 hour burntime,9.5" long) or BL20 (8 hour burntime, 12.5" long)  Options include Wetmateable connectors, custom cable length, Goodman Handle w/ Tekna knife and power control at the lighthead.