Canon EOS-5D Instruction Manual page 19

Battery Charger CB-5L
This is a battery pack charger. (p.22)
Power cord
Power cord socket
Do not use any AC adapters or compact power adapters other than the
ones (rated input: 100-240 V AC, 50/60 Hz, rated output: 7.8-8.1 V DC)
shown on the system map (p.168). Using such incompatible adapters
may result in fire, overheating, or electrical shock.
Nomenclature
Battery pack slot
Red lamp
19