Canon CP-E4 Compact Battery Pack for EXs/540EZ/430EZ/480EG /580EXII
This battery pack features dustproof, water-resistant performance comparable with that of the new Speedlite 580EX II. Its removable magazine allows quick battery changing.
8 AA-size batteries (alkaline, lithium, or Ni-MH) Weight: Approx. 220g/7.8oz (excluding batteries)
Note: Speedlite 430EX and 220EX not supported.
