md battery unknown

const MdBatteryUnknownIcon = (props) => (
  <svg 
    xmlns="http://www.w3.org/2000/svg" 
    viewBox="0 0 24 24" 
    width="24"
    height="24"
    fill="none" 
    stroke="currentColor" 
    strokeWidth="2" 
    strokeLinecap="round" 
    strokeLinejoin="round" 
    {...props}
  >
    <path d="M0 0h24v24H0V0z" fill="none"/><path d="M15.67 4H14V2h-4v2H8.33C7.6 4 7 4.6 7 5.33v15.33C7 21.4 7.6 22 8.33 22h7.33c.74 0 1.34-.6 1.34-1.33V5.33C17 4.6 16.4 4 15.67 4zM13 18h-2v-2h2v2zm1.3-5.31s-.38.42-.67.71c-.48.48-.83 1.15-.83 1.6h-1.6c0-.83.46-1.52.93-2l.93-.94c.27-.27.44-.65.44-1.06 0-.83-.67-1.5-1.5-1.5s-1.5.67-1.5 1.5H9c0-1.66 1.34-3 3-3s3 1.34 3 3c0 .66-.27 1.26-.7 1.69z"/>
  </svg>
);