STK Battery for The Canon 6D Battery Pack 2600mAh
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| Brand | STK |
| Battery Cell Composition | Lithium Ion |
| Compatible Phone Models | Canon 6D |
| Recommended Uses For Product | Camera |
| Voltage | 7.4 Volts |
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Product Description
STK's Canon 6D Battery Pack (STK/SterlingTek Trademark) was designed to meet or exceed the OEM mAh capacity. Our company has strived very hard in order to supply you with the highest quality Canon 6D replacement battery on the market. 1 year 100% customer satisfication guarntee Warrantee: We will exchange this product for 1 year from the day your purchase is processed if it fails under regular wear or is defective. We always sell brand-new great quality products and we are willing to back them up. SterlingTek advertising images and text are protected by trademarks and copyrights.
Product information
| Package Dimensions | 2.5 x 1.8 x 1.1 inches |
|---|---|
| Item Weight | 2.4 ounces |
| ASIN | B00AVBDGHM |
| Item model number | B00AVBDGHM |
| Customer Reviews |
3.5 out of 5 stars |
| Is Discontinued By Manufacturer | No |
| Date First Available | December 31, 2012 |
| Manufacturer | STK/Sterlingtek |
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Customer Review: Great Works with the 6D
HungryFerret

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But that is not wholly due to SterlingTek.
Canon likes to change their batteries often with new camera bodies, hopefully as they upgrade the battery tech itself, but I have to assume part of it is simply to make consumers buy THEIR new batteries at very high prices, compared to the off-brand options. Think Epson and Ink Cartridges....
Every other off-brand battery I have bought over the years has worked at least as good if not better than the much higher priced Canon batteries, but for some reason the new EOS 6D doesn't like the same batteries that worked perfectly in my EOS 5D MKIII. And, the charger for the 6D won't charge my off-brand batteries! I think this is wholly Canon's 'engineering,' not STK's fault.
SterlingTek was forward-thinking enough to see this problem and offer buyers of this battery a free charger that would work with it, which I think is great, but I haven't received mine yet to see if it works. They did advertise this battery as 'Guaranteed to work with the 6D.' I was very disappointed when I was on a recent shoot and my new STK battery refused to take a charge, and I was left having to use an older back-up camera body while I charged my Canon battery! Same situation with the Wasabi Power battery I had.
Hopefully the new charger will work well, or I will just use the charger that came with the 5D MKIII - It charged my Wasabi Power batteries no problem, long charge life, etc.
On ordering from STK, the first time, the battery never arrived, but Amazon credited the order back to me no problem. The second time I tried to order it, after placing the order I got an e-mail confirmation, but the arrival date stated was much later than the Amazon confirmation page said upon placing the order, so I had to cancel it, as it was being shipped to a friends' house who was coming to visit me at my home in Costa Rica. I cancelled the order that day, but the battery arrived anyways, on time! Go figure.
When I order things, I am always sending my shipments to friends who will be coming to visit me in Costa Rica, so I pay close attention to shipping dates and arrival times. When a product doesn't arrive by the time stated on Amazon's check-out page, it usually means I will have to go without it for quite some time.
Update: I upgraded my review rating from one star to four stars for the following reason. I forwarded the above review to STK (the manufacturer) who sent me two new batteries and a charger, free of charge. Both of those batteries work fine when charged with the charger sent by the manufacturer. The manufacturer's response to my review was that there was a battery charging problem (STK batteries won't properly charge using the Canon charger), but the problem has been fixed by the use of the new charger that STK sent me. I know that the STK battery is rated with a much higher mili-amp capacity than the Canon battery. I spoke to a friend of mine that is an electrical engineer about this, and he verified that different batteries work in different ways, and because of the differences, would need different chargers to accommodate the differences. So it seems likely that the first battery (which I returned to Amazon) was probably not defective, but just needed the right charger to charge it. I'm glad that STK sorted this out, and applaud them for their service to me. However, they should mention this issue in their description of the product when they sell batteries, and make sure to recommend that anyone who buys their battery also purchase their approved charger (which is very similar to Canon's charger, but significantly smaller).
I can confirm it charges fine in the Canon charger. It also shows battery info including shutter count and percentage. No error messages. I've only had it a day so this could change. If it does, I'll report back. As it stands, it seems to be no different than the Canon version.
Update 1/16/13 - I got the Meike battery grip and to my horror I got the dreaded "cannot communicate with this battery". However, I pulled the batteries out and switched them and it works fine. I may have not got it completely seated the first time. I tried my other STK's and they worked without the message. Shows all the info on the battery info screen for both batteries with the grip on. On a side note, the Meike battery grip works great but does look a bit ghetto as it doesn't match the same color of black on the 6D and is smooth, rather than matte.
Update 2/15/13 - If I could give it more than 5 stars I would. Helluva lot cheap, no issues whatsoever. 2 in the battery grip lasted over 3,000 shots. I always have wifi turned on and had GPS on for about 1/4 of the shots.
Update 5/31/13 - Still working great! I haven't updated my 6D to the latest firmware yet and I'm not sure if I will or not. I have heard stories about the 5D3 having issues with some third party batteries after updating so I thought it appropriate to note that disclaimer.
Update 12/25/13 - Still working great!






