PROBLEM TO BE SOLVED: To increase the number of photographing shots without degrading portability.SOLUTION: A radiation image photographing system includes a radiation image photographing device having a radiation detection unit for detecting a radiation image, a built-in power source that supplies power for driving the radiation detection unit and is configured to be charged, and a first connection section for wired connection and a connection device having a second connection section configured to be connected to the first connection section, and a power supply source that conducts at least one of supply of driving power (S309) to the radiation detection unit under a state where the second connection section is connected to the first connection section, and supply of charging power (S305) to the built-in power source.COPYRIGHT: (C)2013,JPO&INPIT【課題】可搬性を損なうことなく、撮影枚数を増加させることができる。【解決手段】放射線画像を検出する放射線検出器、放射線検出器の駆動用の電力を供給すると共に充電可能に構成された内蔵電源、および有線接続用の第1接続部を備えた放射線画像撮影装置と、第1接続部に接続可能に構成された第2接続部、及び当該第2接続部が第1接続部に接続された状態で放射線検出器への駆動用の電力の供給(S309)と内蔵電源への充電用の電力の供給(S305)の少なくとも一方を行う電力供給電源を備えた接続装置と、を有する。【選択図】図7
