One thing I've learned the hard way over the years is that with wired adapters you never know if what you're ordering is of good quality or unnecessary. Luckily they turned out well because they are well made. The fit is tight and secure at both ends. no quality problems. What about controlled power? I've only used them with the 25w adapter so far but unlike some they don't even get warm. I mention that, as with my original search, I read several reviews from other brands where end users wrote about overheating issues. As already mentioned, there are no problems here either. I would buy them again anytime if needed.
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