Piston Head BEst Power bank With all-steel construction

With all-steel construction

This IP67 certified design can withstand dust

it's designed to handle everything from casual internet browsing to intensive creative workloads with ease

A built-in USB stick allows for cable-free charging and up to 23 hours of runtime

Piston Head BEst Power bank With all-steel constructionThe Piston Head is located inside the Main Cylinder. The Piston Head has two O rings (sold separately) which create a seal in order to keep the product from leaking out of the Main Cylinder. Once the product is drawn through the Rotary Valve and into the Main Cylinder the Piston Head will then push the product back through the Rotary Valve and out through the Dispensing Nozzle and into the product container. Product Specifications: Material: Nylon