Talk:Harriet Bree/@comment-2607:FEA8:E320:1EA:CCBF:D892:74C0:3608-20200202070051/@comment-27144409-20200207200230

It's possible that her Semblance's electrical discharge helps charge the arms, and even if no, Dust is quite energy dense, so it might be able to last a while.

If it rins out though,  my vote would be for her to take it off, and then use a service knife and sidearm.