JUST FLEW MY SUPER SNIPER TODAY, THIS THING FLIES GREAT AND IS WORTH THE MONEY,ONLY PROBLEM IS IM RUNNING A 16/15/2 MEGA WITH 2 THUNDERPOWER 2100S AND AND A 70 AMP JETI SPEED CONTROLLER, ON THE THIRD FLIGH THE BATTERIES GAVE OUT,THEY WERE WIRED IN PARRELEL TO GET THE 4200 MAH AND DOUBLE THE C RATING,BUT THEY GOT SO HOT THAT THE LITTLE TABS THAT CONNECT THE BATTERIES TOGETHER MELTED, I CHECKED THE CELLS AND THEY SEEM TO BE GOOD IM NOT SURE TO USE THSE BATTERIS AGAIN BUT I DONT KNOW WHAT BATTERIES ARE OUT THERE THAT HAVE A HIGHER C RATING. THOSE 2 BATTS. TOGETHER SHOULD BE AROUND 42 AMPS OF DRAW BUT I PUT THE AMP METER ON MY SET UP AND ITS STAYS PULLING ABOUT 42 AMPS FOR A WHILE SO IM AT THE LIMIT OF THESE THUNDER POWER 2100 3 CELL. ANY ONE USED THESE BATTERIES OR ANYTHING ELSE LITHIUM WISE FOR THE MEGA 16/15/2, WOULD APPRECIATE ANY HELP, TED