need help new to building

[nissangtr94]

okay guys so im quite new to building im probably going to get some hate but i built a dual coil build yesterday its on 1.6ohms on my mech mod is that safe? using efest battery 3.7v 2500mah 20A/35A

 

[nissangtr94]

0.42 5 wraps on a 2.5 driver