These are compatible Aspire ViVi Nova-S BVC Glass Aspire ViVi Nova BVC Aspire Mini ViVi Nova-S BVC Glass Aspire Mini ViVi Nova BVC Aspire ET/ET-S/ET-S Glass BVC Aspire CE5/CE5-S BDC Aspire Maxi BVC .recommended by Aspire to use the 1.8Ω coils if you are using a standard non variable voltage battery.