UD Goliath V2 Coils 0.5ohm: Goliath V2 Coils 0.5ohm is made of ceramics with wire material Ka1, which apply the resistance of 0.5ohm and the output range from 25W to 50W. With the dual coils structure and Japanese Organic Cotton, Goliath V2 will bring you different vaping experience and pure flavors.