Some may find it interesting.
I always strongly suspected that Canon does not make batteries. Finally, being sick at home I found time, and did a little research. The LP-E6 battery for many Canon cameras is made by Panasonic. Canon sells them for $62, NewEgg - for $14. http://www.newegg.com …-9SIA4VH2W36539-_-Product
How to check, you may ask? Look at the UL certification logo on Canon's battery, and the number next to it. Go to UL's Online Certification Directory, and check this number. You will get to this page http://database.ul.com …_id=1073984456&sequence=1, and you will see that number and the model number, LP-E6.