The trend of producing mods with ludicrously ambitious power ratings has reached a new level. Putting aside the obvious safety issues, there are no two batteries on the market capable of getting anywhere near the power levels of these chips. It's dishonest and could lead to people injuring themselves. Sigelei GW 257W TC Box Mod UK Sigelei GW 257W Arguably if you used two Samsung INR21700-30T (35A) you could use the first 0.1 volts before you hit the internal 35 amp limit of the chip, and the amp limit of the batteries. And thats one battery, and how many of the thousands of people who will buy this will even know about it. Authentic Dovpo MVV 300W VV Mechanical Mod Dovpo MVV Mechanical Mod 300 watts 300 watts from two 18650s, utterly ridiculous and downright dangerous to even try.