That's why this tip, how to recognize them:
1) Weight of a counterfeit battery pack is 39g. The original battery has 50g. Due to the lower capacity of the battery runs out quickly, but not remarkably casual user of a camera so fast.
2) Date of manufacture: Canon are on the back with the date of manufacture in the format YYYYMM. The counterfeit battery tardily the date of manufacture 200912th If as already 1 1/2 years old. It may be, also in the old stocks, but should we accept a battery which is already aged?
3) Print: Is not sharp but slightly blurred when the counterfeit battery.
3) Hologram: There, the forgery is the hardest to detect when you every few years buys an original part. At current original logo can be seen in the mirror a wavy line. That's when the fake is not so, especially since the gefälschet Hologram also slightly changed the color. But how do you know that.
After I discovered and me insbesonder the weight has made suspicious, I contacted Amazon via chat and was also advised immediately and comprehensively advise on what I can do. The return formalities I performed for the first time, are very simple.
That is why you will discover a fake, do not fret, back it.
PS: Then buy the photo pharmacists my confidence and an original battery.