Surefire® 18650 Rechargable Battery Ka-Bar The slim head provides a

The slim head provides a firm grip even in tight spaces

Inside the box:E21(with built-in battery)

ruler (inches)

signal light or any light

like attaching it on MOLLE

Surefire® 18650 Rechargable Battery Ka-Bar The slim head provides aSF18650B Battery Micro USB Lithium Ion Rechargeable Battery The new champion among SF18650 rechargeable batteries 3. 6 volts 3500 mAh deliver extended runtime MICRO USB charging facilitates charging via a variety of power sources Charge. Win. Repeat. The SF18650B is a Lithium Ion protected 18650 battery with MICRO USB charge capability. This allows the user to conveniently charge the battery using any USB power source such as a USB wall charger,