Did you check the size on these? The SX Mini M Class much bigger than the dna 40 and also a little bit bigger than the rDNA 40 which uses a replaceable 18650 battery.
It takes an 18650. I have the S class and you couldn't ask for a nicer mod I like it better then my rDna40 or my P3. If you watch Busardos review it is spot on accurate also. I am getting an M class also. My thinking is maybe they will come up with a better wire. Nickel in my mind is too finnicky. I have just about sworn it off completely and the SXmini firmware is self upgradable. Just dl the driver and the update and you've got it. I think something better then nickel is going to come up. I have tried so many builds it makes my head swim either they are crappy from the start or if they are good they only last for 3 days. but I want to get the new SX because I want one more and it leaves me open for options. They also changed some of the features aesthetically that Busardo talks about. Very well made. You can either change the battery or charge it at night when your in be like I do mini USB.
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