Acebeam announces the TK18, big brother to the popular TK16.

Acebeam recently released a copper pocket light that really sung to enthusiasts.  It's a 18350 triple, available in three different emitter options.  That was the TK16.  First available in copper only, later released in aluminum. Today Acebeam released details of an upcoming big brother to the TK16.  It's the TK18, which looks to simply be an 18650 version of the TK16.