Overview:
With this D-TAP coupler cable, you can charge devices powered by DMW-DCC12 with V-mount or Gold mount batteries. Suitable for Panasonic DMC-GH5/GH4/GH3. Largely prolong camera working hour.  
Features:
Enable you to charge cameras powered by DMW-DCC12 with an external high capacity V-mount or Gold mount batteries.
Suitable for Panasonic DMC-GH5/GH4/GH3.
Largely prolong camera shooting hours or devices service time.
Fully coded, plug to use directly.
11-17V wide voltage input, 8V 2A output.
Specifications:
Brand: Andoer
Input Voltage: 11-17V
Output: 8V 2A
Package Size: 21 * 13.5 * 1cm / 8.3 * 5.3 * 0.4cm
Package Weight: 52g / 1.8oz
Package List:
1 * Battery Adapter