everActive FL-300 cap to use 18650 batteries

• Dedicated adapter for everActive FL-300 + flashlight to power the 18650 size lithium-ion battery.
• The Adapter provides compatibility with both protected and unprotected batteries.
• The extension has a gasket (O-ring) that ensures high tightness of the flashlight.
• Using the 18650 size lithium-ion battery in the FL-300 + flashlight increases up to 50% of the maximum luminous flux (up to near 600 lumen) and even doubles the Torch's light time!