Instruct: Classify the given review as either positive or negative.
Query: Decreases cycle times as long as not full power flashing

The box feels solid. The mounting hole is useless as the other reviewer mentioned. I either hook it on my left hand pinky or put in my pocket, the cord is long enough for me. Funny that the plug pointing forward with the cord, so I have to be careful the cord doesn't dangle in front of the lens. Recycle time is instant for non-full power flash. But if I put the white pane on or bounce, the recycle speed slows down quite a bit, still better than without the pack though. Now I see why the pros use the big monster battery packs...Canon brand add-ons are always expensive. Remote, grip, flash, you name it. The good thing is that these genuine brand items are always reliable, boring, and do what they say they would. No hit-or-miss for me yet.