Sony Digital Betacam DVW-700 Operation Manual page 161

2
Mount the DC-L1 Battery Adaptor on the back of the camcorder.
Back of camcorder
5
Using two NP-1B / 1A Battery Packs simultaneously
For long shooting sessions, attach a DC-520 Battery Adaptor (not
supplied) to a DC-L1 Battery Adaptor. The camcorder will operate
continuously for about 80 minutes.
For more information, refer to the DC-520 manual.
Camcorder with the DC-520 Battery Adaptor attached
5-5
Chapter 5 Setting Up the Camcorder