great newsletter...

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cskent

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Jul 24, 2010
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Yes, it's worth subscribing to. Like most newsletters there's the advertising of current specials. But every 2nd or 3rd week you get a well written article on topics of interest to vapers. This week was an explanation of how dual coil carto's work. A couple of weeks ago there was an explanation about the different types of voltage regulators and how they work. One of my favorites was the one on connectors, how they're constructed, and how to maintain them. Another explained what's inside a Li-ion battery and how they work.
 
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