vapesmooth234 Posted June 21, 2019 Report Share Posted June 21, 2019 (edited) It started with my first DNA, a wismec reuleaux DNA200 with 3 sony browns authentic. I only ever charged it via USB, after about 17 months the readings on those cells were perfectly similar and I never even rotated them once - I checked them on a cheap digital meter and a $500 analog meter and all 3 were the same readings which means it's safe and balanced, which is good, but then it would no longer USB charge in about 1-2 years. I asked a million questions here and factory reset it, new batteries etc and it never was fixed. Then I got a Hgicar VT250s DNA 250 which can do dual 18650 (167W?) or triple 18650. I only ever USB charged that MOD too, and only ever used genuine cells and I vape gently I only vape like 5 wrap single coils at like 16 Watts. In about 11 months it's bricked too, giving CHECK BATTERY error, tried everything suggested here no fix though, paid shipping for warranty and it was sent back with the same faulty chip (thanks!) which bricked a month or so after I received it back. Then I got a Hcigar Vt75 nano DNA 75 single 18650 genuine LG Brown, in about 1.5 years it's giving problem TOO HOT (even though it's not hot), tried factory resetting etc no fix, it seems to magically fix itself since I plugged it in to charge the other day but it'll go for a day or two sometimes still giving the TOO HOT error no matter what I try, new builds, different tank, cleaning the entire insides which were already clean and juice-free). So now I'm thinking no more DNA for me. Maybe yihi? The only reason I chose DNA to begin with is because they're supposed to safely USB charge multiple cells via USB (I just don't want to bother with opening and changing cells and baby sitting batteries on charges etc, when I USB charge the DNAs I'm usually at my PC (using a powered HUB BTW not power from my PC's PSU), which yes the DNAs seem to safely USB charge with no dangers but it seems to just fry the Fking boards in about a year. I was about to order a new DNA75 chip for my TOO HOT VT75 Nano but I'm guessing it'll also give me troubles. I might get a DNA 200-250 C etc (newer color chip) in hopes that they've fixed this problem. if I order a 75 (non color) chip from protovapor, it's only $37 shipped vs direct from evolve is like $55, but do I get the warranty with the protovape chip if I swap it out with the TOO HOT one in my VT75? $37 for a new chip every 1-2 years isn't too bad but I am a bit concerned about USB charging these anymore if it's frying the charging circuit apparently even though I haven't had any dangerous stuff happen ever. I pass through vape too and everything. Do you think it's worth a shot asking evolve if they'll re-warranty the VT250s I paid shipping for warranty for that they didnt' even change the board out and it bricked again a few months after I received it?? It's been over a year and was just tucked away since then. Edited June 21, 2019 by vapesmooth234 Link to comment Share on other sites More sharing options...
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