so after reading the posts i would like a little help on batterys should i use protected or unprotected what brand size
3.7v at .8 ohms is going to draw around 17 amps. Better get a bigger battery. Turns out 17.1125 amps.
Ohm's Law Calculator
No, it's pulling 17 watts. At .8 he would be pulling only about 4.6 amps, which most safe chemistry batteries can handle fine.