Fenix ARB-L18-3500U USB Charging 18650 Battery Hiking Shoes this is a perfect backpack

this is a perfect backpack for commuting and everyday outdoor life

Topped with our SpeedFill cap for quick refills on the go

The design has been inspired by the classic Greenland series with durable G-1000 fabric and practical features

hunting or fishing – as well as everyday use

Slide Seal™ opens wide for refilling

Fenix ARB-L18-3500U USB Charging 18650 Battery Hiking Shoes this is a perfect backpackARB L18 3500U is a high capacity 18650 Li ion USB rechargeable battery with a built in micro USB charging port. It also includes a protection circuit in the anode to help prevent short circuits, over charge discharge and over heating. These USB rechargeable batteries can quickly be charged without the need for a separate charger. This not only saves you money from purchasing a charger, but also provides the convenience of not having to carry around