A small breeze here and there likely isn ... The Primus Windpower Air 40 is an IEC-certified home wind turbine for residential areas that are looking for hybrid power solutions.

With wind speeds at the bare minimum of 8mph, charging speeds will be well below 5W, and the company estimates it would take over 11 hours to just charge a smartphone in a “slight breeze.” ...

BUT THERE’S STILL THAT NORTHWESTERLY BREEZE LINGERING AROUND BEHIND THE COLD FRONT THAT MOVED THROUGH YESTERDAY. SO YOU TAKE AIR TEMPERATURES IN THE TEENS AND SECONDS. YOU FACTOR IN THE WIND AND ...