Approximate playback time with each battery pack is shown as follows.

HDR-CX900/HDR-CX900E

NP-FV50 (supplied):

135 min

145 min

NP-FV70 :

280 min

300 min

NP-FV100 :

555 min

600 min

FDR-AX100/FDR-AX100E

NP-FV70 (supplied):

180 min

185 min

NP-FV100 :

360 min

375 min

Top:

When the LCD monitor is opened

Bottom:

When recording with the viewfinder without opening the LCD monitor