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Customer Review

262 of 275 people found the following review helpful
5.0 out of 5 stars Great capacity, nice reporting features, January 20, 2009
This review is from: Canon Battery Pack LP-E6 (Electronics)
In addition to the one that came with the 5D Mark II, I also bought a separate one to fill the second bay in the BG-E6 Vertical Grip.

My initial experience with the battery was less than stellar -- if you are currently disappointed with the battery capacity (especially if it's new), hear me out.

After the first charge out of the box, the single battery lasted about a day with maybe 100 RAW shots and a couple of minutes worth of 1080p video. VERY disappointing to say the least. But here's the thing -- it really needs to go through a couple of full cycles (full discharge, full charge) before it reaches its peak capability.

At the time of my last charge, I had shot well over 2700 RAW frames on two batteries -- and both of those batteries each reported 60% charge remaining at that point.

Which brings me to the reporting features. If you are buying this as a second battery, then you are probably already aware of this, but the battery will report its charge level (with a 1% resolution), battery recharge performance, and number of shutter actuations since last charge. The 5D Mark II can then display this information on its Battery Info screen.

With two LP-E6's installed (via the BG-E6 Vertical Grip), the 5D Mark II will register both of the batteries and list their statistics simultaneously in the Battery Info screen. The Shutter Count numbers even operate independently. For example, after a long day of shooting (over 1500 frames), the Battery Info screen told me that Battery 1 was responsible for 806 frames, while Battery 2 was responsible for 746 frames. At this point, the batteries still showed a 78% charge on each one.

Also notable is the fact that the number of shutter actuations for each battery does NOT reset when the battery is removed. Its actuation count is saved, and if you later reinsert the battery (without charging it), the count will still be accurate for that battery. Once you charge the battery, the count is reset.

Finally, as a word of warning: At the time of this review (Jan 20, 2009), the battery prices are ridiculous. Because of high demand, apparently some sellers feel justified in gouging their customers. The current price listed as of this writing is nearly US$200. I bought my second battery before demand went through the roof, and I paid less than US$90 from a reputable Canon dealer. Keep that in mind when deciding where to purchase.
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Showing 1-10 of 16 posts in this discussion
Initial post: Apr 18, 2009 6:56:32 AM PDT
ED F says:
Thank you for your review, very helpful.

In reply to an earlier post on Apr 23, 2009 3:04:58 AM PDT
Jeff Kraus says:
You're welcome! I'm glad I could help. :)

Posted on Apr 25, 2009 9:12:09 PM PDT
Great info. I am about to buy a second battery, but not at the inflated price and will try the procedure that yu did to get maximum usage.

Bill

Posted on Jul 28, 2009 9:54:59 PM PDT
J. Henderson says:
What's the best way to quickly drain a battery to then recharge it and improve its performance? Probably by displaying images on the LCD?

In reply to an earlier post on Jul 29, 2009 4:44:52 AM PDT
Jeff Kraus says:
Personally, I just took the time to let it run down naturally while shooting. Another method, as you suggest, might be to display an image on the LCD and leave it displayed at maximum brightness. A faster way might be to shoot a lot of video -- that's a real battery killer. Just be aware that according to Canon's documentation, you should be careful not to overuse the video at the risk of overheating the sensor.

Also, keep in mind that the performance I get is based off of the following: no video use, very little Live View, 2 sec review. If you do a lot of video and Live View, obviously your numbers will differ from mine, since those things can use some serious battery power.

Posted on Mar 1, 2010 11:31:46 AM PST
loosey says:
I truly appreciate the candid remarks by this contributor. Thank you.

Posted on Apr 2, 2010 11:33:15 AM PDT
I really appreciate your advice concerning the charging of this battery. I'll put that into practice immediately.

Posted on Nov 20, 2011 12:48:52 PM PST
Neal Abello says:
This was a very helpful review since I am in the process of upgrading to a Canon 7D (which uses this battery) and like to have a backup battery. This review helps me to know what I am getting into, cost wise, and what I can expect. Thanks for your clear evaluation.

In reply to an earlier post on Dec 26, 2011 7:21:44 PM PST
Coach CJ says:
Very helpful review-thank you. I am looking for a spare battery to take on a vacation trip and your tip about letting it cycle a couple times will save me major disappointment!

In reply to an earlier post on Dec 26, 2011 7:22:12 PM PST
Coach CJ says:
Very helpful review-thank you. I am looking for a spare battery to take on a vacation trip and your tip about letting it cycle a couple times will save me major disappointment!
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