The DC coupler / mock battery / dummy battery is decoded, what you should do is just confirm the button when you switch on your camera.
Primarily built for convenience in studio, allow you power your DSLR camera by power supply station or high capacity Li-ion battery instead of LP-E6 battery, DC couplers also can increase the efficiency when shooting.
Please note: the DC coupler / mock battery / dummy battery can not transform voltage.
Compatible with Canon DSLR cameras:
EOS 5D Mark III
EOS 5D Mark II
EOS 5D Mark II EF 24-105mm Kit
EOS 5D Mark II with EF 24-105IS
EOS 7D
EOS 7D with EF 28-135IS
EOS 7D with EF-S 18-135IS
EOS 60D
