463Technical NotesThe approximate length of footage or number of shots that can berecorded with a fully-charged EN-EL15b 1 battery varies with the monitormode. The figures for photographs 2 are as follows:• Viewfinder only: 330 shots (Z 7), 310 shots (Z 6)• Monitor only: 400 shots (Z 7), 380 shots (Z 6)The figures for movies 3 are:• Viewfinder only: 85 minutes• Monitor only: 85 minutesActions such as the following can reduce battery endurance:• Keeping the shutter-release button pressed halfway• Repeated autofocus operations• Taking NEF (RAW) photographs• Slow shutter speeds• Using camera Wi-Fi (wireless LAN) and Bluetooth features• Using the camera with optional accessories connected• Repeatedly zooming in and outTo ensure that you get the most from rechargeable Nikon EN-EL15bbatteries:• Keep the battery contacts clean. Soiled contacts can reduce batteryperformance.• Use batteries immediately after charging. Batteries will lose theircharge if left unused.1 EN-EL15a/EN-EL15 batteries can also be used, but note that you may not be able to take asmany pictures on a single charge. Endurance varies with the condition of the battery, thetemperature, the interval between shots, and the length of time menus are displayed.2 CIPA standard. Measured at 23 °C/73.4 °F (±2 °C/3.6 °F) with a NIKKOR Z 24–70mm f/4 S lensunder the following test conditions: one photograph taken at default settings once every 30 s.3 Measured at 23 °C/73.4 °F (±2 °C/3.6 °F) with the camera at default settings and a NIKKOR Z24–70mm f/4 S lens under conditions specified by the Camera and Imaging ProductsAssociation (CIPA). Individual movies can be up to 29 minutes 59 seconds in length; recordingmay end before these limits are reached if the camera temperature rises.Battery Endurance
