Would a utility bill consume more in charging an inverter battery?
An inverter battery is better known as a UPS. Your utility charges are based on KW Hrs consumption. The battery in the UPS is maintained at or near a full charge to handle the potential failure of the Utility power source for a maximum time determined by the UP S selected and the power delivered by the UPS when Utility power is lost. Since the charging power to maintain a fully charged battery s generally very small compared to the connected equipment (computor(s)modem cable box, Etc. , the increased cost in your utility bill will very minor and might not be noticed.