ROLAND PKG-F SWIT S-8972 47WH L MOUNT + CHARGER + REVERSE CABLE.
SWIT S-8972 47Wh Battery and Charger Kit includes 1xS-8972 battery, 1xS-3602F charger and 1xS-7108R cable.
S-8972 is a 47Wh Li-ion DV battery compatible with Sony L series NP-F770/970/960/950 batteries. It has a 7.2V/5.5mm pole DC output socket, with which you can power the camera and another device simultaneously. This battery has 4 LED indicators showing the remaining power.
S-3602F is a dual channel simultaneous charger for S-8972 and Sony L series batteries. It has 2 DC adapting output sockets.
S-7108R is a DC cable with 5.5mm pole connector (w/ opposite polarities) on both ends. It's widely used for broadcast equipment, such as SWIT DV batteries with a pole DC output socket (S-8972), S-3602F adapting output socket, etc.
PKG-F can be used to power devices such as the Roland V-02HD.