I like it overall but, a Vape modules leak profusely after about a week. I have not had this kit for twenty days and I've went through two cartridges it sucks the e-cig oil all right through the mouthpiece into your mouth. Not a fan of this!! I need two more cartridges thanks. Battery life and overall design of the battery seems adequate. Both of the oils the regular in the menthol have a good taste. But Menthol kind of tastes like Andes Candies. Everybody loves the smell . I have also mixed both of the oils to give it a more mild flavor which is probably my favorite.