So I have a clone carvela mech mod and a clone dark horse atomizer... for a battery I'm using a 3.7volt 3000mah battery I don't know how to find the amps but in pretty sure it's 40amps. I want to know what the safest coil size I should use bc I'm new to using mech mods.. I orders some .5 ohm hive coils from eBay bc I don't know how to wrap yet... can u use them in my rda safely? Plz help me out! Thanks!