Would it be possible to bypass 110 and use 12v?

I am trying to figure out a way to bypass the 110 AC input and use a 12v source. Any ideas?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0