in General It costs less that $1 a year…. by Chirag Chauhan February 22, 2018, 12:40 pm 65 Views It costs less that $1 a year to keep your smartphone charged up. smartphone Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *