i did do a break in on few of the plugs, heat up for 10 seconds, cooll down n repete it few times ....useing a dynamite igniter, it does light them bright n i charge igniter once a week, i have the c battery igniter but i get 6-7 lights, duracell/energizer n radio shack alk. n battery junk after that point,i might have to look into a power panel setup, not sure am looking to hump more weight ,gotta do sumptin..... will get a few mc 9 plugs tomorrow n burn up half a gallon fuel.do they make a small amp adjustable igniter ?