Originally Posted by InsaneRC

it was already at full charge and balanced when I first got it I was running it with a HobbyWing XeRun 80A w/ 2350Kv motor. What do you mean about "polarity reversed"? I had to redo the battery leads to the lipo lead
( http://www.hobbyking.com/hobbyking/s...idProduct=9283 )

it was a pretty big spark due to the fact it burned (blacken) the 4mm male bullet and melted the Protector.

ESC is just fine I ran it with a 2s Lipo no trouble at all