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Not to put a point on it but until we know something about why they failed, how you used them and the camera you used them in, we don't know much about this, do we (or do you)? Seems quite odd that all of these batteries failed 100% in your camera - the common denominator. Quite odd that every single battery produced by this manufacturer failed in that particular camera. The odds are really against that in a big way even if the mfg had a sketchy product. From what you describe, although inconclusive, I'd be suspecting that particular camera...Show more →
You sure seem set on this.
I described earlier, in great detail, the failure mode of the batteries. You simply made up the story that "all of these batteries failed 100% in your camera - the common denominator." That never happened, nor did I write anything like that. You might find it useful and interesting to actually read my posts before you dismiss them.
Recall that the batteries exhibited the signs of failure before I used them in my camera - they did not work correctly in the charger. Two appeared to not be charging when placed in the charger. Putting them in the camera merely verified the charging failure. The third was a different case. It did charge in the correctly functioning Canon charger, yet failed to hold a charge that was good for as many as 50 shots.
I can imagine your counter-argument already: Well, if the camera wasn't the problem, there must be something wrong with your charger that is the common element. While it is impossible for me to disprove such theories - as well as theories holding that is it California electricity, my bad attitude, or the phase of the moon - it would be quite a stretch to presume that a relatively new charger that works perfectly with Canon batteries would be the cause of two types of problems with third-party batteries. Of course, if the inability to work correctly with Canon chargers was the issue, I would regard that as yet another failure mode of the third-party batteries...
I think - and I've written here and elsewhere many times - that SterlingTek is a fine company. Remember - how many times do I need to repeat this? - that I was a satisfied SterlingTek customer who had purchased a number of their batteries in the past, had great success with them, and recommended them to others. However their replacements for the "chipped" LPE6 5D2 batteries that I purchased turned out a failure, and I would not purchase that type of battery from a third-party again absent some very strong proof that the problems - which have also been reported by others, including in this thread - have been reliably solved.
I do not quarrel with the fact that some number of people feel that they have functioning third-party replacement LPE6 batteries. I'm happy that they are happy. Before I purchased my third-party replacements I had heard stories of problems with the LPE6 replacements, and had put off trying them until SterlingTek, who I regarded as being among the reliable vendors, came out with a version of the product. Based on the experience reported by others and on my own direct experience, I am not convinced that the third-party versions of the LPE6 batteries are as reliable as the Canon product. While I'm as willing to save money as the next guy, I'm unwilling to risk my ability to make photographs in order to save a few dollars on batteries. It seems like a poor gamble to risk the thousands of dollars and days or weeks of my time expended on making photographs.
Would I still buy other types of batteries from SterlingTek? Sure.