Price / Performance: good, no comparison to the original

I've been using my EOS 550d mainly for filming,
Here hold these batteries (two have in use) about 45 minutes.
The Canon battery makes one hour more!
This results in about 40% of the original capacity.
That is, even two of these batteries in the battery grip do not last as long as a single
Original battery, the ratio of capacity and price is still better here.
For photographing the capacity is also perfectly fine with me and extends a full day with
An estimated 300 images.

The low price justifies the performance perfectly, so four stars.
It just needs to be clear what you get!