A radiographic image capturing system includes: a medical cart including a radiation generating apparatus emitting radiation and a first chargeable built-in power supply a portable radiographic image capturing apparatus including radiation detecting elements and a second chargeable built-in power supply and a control device managing electric energy remaining in the first built-in power supply and in the second built-in power supply, determines availability of charge of the second built-in power supply in the portable radiographic image capturing apparatus with power from the first built-in power supply in the medical cart based on the electric energy remaining in the first built-in power supply, and performs control so as to allow the charge when the charge is determined to be available, and so as not to conduct the charge when the charge is determined to be unavailable.