Surefire SF18650B Micro-USB Rechargeable 18650 Battery 3.6V 3500mAh Custom Piston Drive (PD) design makes

Piston Drive (PD) design makes the light more compact than lights with

not the other guy's

The smaller profile of the ProFly means less bulk and less weight

Front panel storage pocket provides ample organization

Surefire SF18650B Micro-USB Rechargeable 18650 Battery 3.6V 3500mAh Custom Piston Drive (PD) design makesSurefire 18650 Micro USB Lithium Ion Rechargeable Battery FEATURES High performance 3. 6V 18650 lithium ion rechargeable battery with MICRO USB port for ease of charging no charging cradle needed When plugged into a power source, two LED indicators display the current charge state: Red for charging and Green for fully charged 3,500 mAh for extended battery runtime 8 10A discharge rate for dependability in high drain devices such as LED flashlights The