Fenix ARB-L18-3500U USB 18650 Battery shoes single click the switch to

single click the switch to cycle through Red low-Red Med-Red flash

Keeps drinks hot for up to 7 hours or iced for up to 34 hours

Mesh and taffeta combination lining for all day comfort

ensuring a secure lock each time

1600 Max lumen output

Fenix ARB-L18-3500U USB 18650 Battery shoes single click the switch toFenix ARB L18 3500 is a Premium Quality High Capacity 18650, 3500mAh Lithium ion battery specifically designed for high intensity flashlight use and is the perfect companion for all current Fenix 18650 powered lights. ARB L18 3500U battery features: High capacity (3500mAh), great reliability and compact design Triple overheat protection including relief vents for safety and reliability Built in over charge, over discharge and short circuit protection