True battery ingestions can lead to significant damage to the GI tract. After initial clinical assessment and PEWS charting, the next step is imaging.
Low dose (fluoroscopy or low-dose x-ray) imaging of the neck, chest, abdomen and pelvis should be the first option to assess position. If these are not available, a CXR and AXR may be required and consider other imaging and intervention depending on symptoms and information / clinical assessment).