hi guys , I got a tug box mod with kennedy rda,did a build with a .19 ohm come out . Had box for bout a month when I bought it from shop said was new when I got home realized their was brown on bottom under batterie slots and box was scratched thought no problem but don't kno if something was wrong with it worked fine till last night put my .19 build on it put batteries in to fire it to fix coils befor wicking , second I put the second batterie in the top and bottom of the batteries lit up within a second bright red , I was like shocked then 2 seconds later the tops and bottoms actually literally went on fire within seconds , I ripped the batterie out burned my fingers then through everything outside till today , wat went wrong ? I kno I had batteries in right .....