no significant difference from the original canon battery which is a lot more expensive.
for the price of a canon batteries you can buy here several with which one might then stay out accordingly somewhat longer.
will in the long run remains to be seen whether the product starts to weaken or not, but so far it does what it should. (2 weeks)
edit (26/10/2012): the time has come ... the battery has given up the ghost. I got him longer no longer used and it seems that one can no longer be recharged with the charger canong12 him (deep discharge ?!).
Now the question remains, of course, if that's a problem is always emerges through prolonged disuse or whether it is still on the old use of the battery.
the original batteries lying around as well which still work.
Therefore, I now give only 4 stars instead of 5, and I would buy the batteries of the price because nevertheless again.
as I have used it constantly it function properly.
