Thursday, May 27, 2010
Batteries for the 7D
I subscribe to the battery management policy of “One in the camera, one in the case and one in the charger”. This means having a handful of batteries. In the past, I’ve used non-OEM batteries along with the OEM originals in my G3, G9, 20D and SD800 Canon cameras without any real problems. I do suspect that the non-OEM batteries may not accept as many recharges as do the OEMs; in fact, two went bad within a few months. Anticipating such problems, I’ve simply bought an extra battery or two – after all, the non-OEM battery is very inexpensive (OK – cheap!).
Because Canon's spare battery was so expensive, I naturally bought a non-OEM spare (only one) along with my 7D. The few times I’ve used it, the non-OEM LP-E6 seems fine and I’m glad to have it. The non-OEM must be recharged in its own charger; I think battery plus charger was about $25.
As I’m beginning to use the 7D for video, another battery seemed to be a good idea (remember that my philosophy calls for three batteries). After reading a few reviews of non-OEM batteries on Amazon, I decided to get Canon’s OEM battery. To my surprise, none were available; however, the supply has now been replenished – but at a higher price. The disparaging reviews on Amazon and discussion forums emphasize that the non-OEM battery cannot be recharged in the Canon charger and that the 7D displays a warning and does not indicate the remaining battery power with a non-OEM battery. Now I have two Canon LP-E6 batteries and a cheap clone.
Last year, I began to write the date of purchase on all my rechargeable batteries, even taking a guess at the older ones, but I’m hoping not to need this information for a long time!