Marmot Men's Leadville Jacket New arrival Includes specialized micro-USB rechargeable 18650

Includes specialized micro-USB rechargeable 18650 battery (5 Hour Charge Time)

It is not compatible with E4K

Batteries can be used in any device and in any charger

and where can I buy one

Marmot Men's Leadville Jacket New arrival Includes specialized micro-USB rechargeable 18650WINDSTOPPER Soft Shells offer total windproofness and maximum breathability, combining the comfort of a soft mid layer and the water resistance of a shell in one garment. WINDSTOPPER Soft Shells keep you comfortable and provide the freedom of movement you need for enhanced performance in a wide range of activities and weather conditions. Constructed of soft, quiet, stretchy fabrics, WINDSTOPPER protects your bodys warmth from the chilling effects of