Do you think I have a faulty flash?
My 580EX ii has not been all that reliable so far :/ At the wedding on Saturday I changed my batteries twice within 30 min because it was only firing 1 out of every 4 or 5 shots. I am even using the CP-E4 battery pack. I have several brands of rechargeables so I don't know if that makes a difference?! I was not doing a lot of rapid firing or anything and when I did it still would only fire a fifth of the time so the batteries shouldn't get as hot as they were. I had the primary shooter feel them and she couldn't believe how hot they were...we're talking burning my hand hot :( I know some external flashes can overheat & the outside of the flash itself was quite warm. I am not sure what normal is in regards to these flashes, but I was waiting ~30 seconds in between shots & I would cringe a little and think "please fire...please fire" during important moments, and many times it didn't :( I ended up deleting soooo many pics during the reception because of my flash. I have had the flash for exactly 4 months.