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Probably be poor terminals, through hole type are particularly bad. I have done dual claptons on a velocity that work fine and mostly use twisted Ni for the last 11 months. One tank that gave me problems with twisted was a cheap Orchid V4 clone, I had to sand the bottom of the screws flat and use tipple twisted 34 AWG (0.16 mm) as 2 strands would not make a good connection in the posts and there is not enough room to wrap them under the screw heads.

Strange, can only suggest there may be more resistance in one of the balance connector paths as the battery drains and charges via the thick wires so all cells are at the same current in normal opperation.

You could put a metre on the resistors to check, battery seems most likely they vary far more than chips, resistors and such.

You still have one loop getting much hotter than the rest on pic 2 so maybe your coil has some scope for improvement, sorry I can't post something more helpful as more of a hands on guy.

I would definitely use a plug & socket if you are at all nervous, XT30 series are good, put the female on the fat battery wires and connect the male to the board.

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Try defaulting one and see if you get it back, then add one thing at a time to find what the prob was or do that for a 3rd profile. I was going to suggest a incompatible graphic, but would expect Escribe to prevent that, maybe a TCR curve?

DNA40 hard reset is disconnecting the battery, you should have made it clear it was a 40 in the OP.

John has said those lines carry less than 40 mA and 24 AWG would be his choice, but you could go even thinner I used 26 AWG as it was all I could get.

Both reboots are only from EScribe, disconnecting the battery is the same as hard rb. IIRC sleep is after an hour.

Only after a soft or hard reboot or coming out of sleep, but you can put the screen on a profile to be able to show it at will.

IIRC it balances by discharging the high cell across each of the 4 resistors near the USB and they could get hot especially doing it all night. Was it on USB recovery charge mode as I didn't think it would attempt to charge cells as low as 0.03 V?

This shows how much small batteries sag under load. http://www.kidneypuncher.com/18650-battery-tests

Hard to tell how bad from a photo, it looks like a very hot spot on the closest coil, be even so it looks bad. Try something simpler like a single spaced coil. Also check the mod resistance has not been set to something silly in Escribe like > 0.02 ohm.

Don't lock the ohms, take it off, fire the mod, refit with the atty cool.

And the age of the batteries can make quite a difference.

I would depend on the power setting, the higher that is the higher the voltage sag and once it gets to 3.09 V on either cell the DNA will consider it flat, you can lower the 3.09 V to 3.0 V but I think that is the min.

I read on UKV that Brandon was working on a TCR for these as the legs are Ni200 link and more info on redit

I know that the DNA uses the same USB-HID Human Interface Device standard as keyboards, that should give James a direction to look in.

Some of the early releases could seem to freeze trying to get a network connection to check for fw updates, it may just be that.

Have you tried the latest version from the Early Firmware thread?

How does USB recovery charging work? I clicked perform on it and nothing has changed over the past 2 hours... I have a post in Batteries and Charging if that would help but so far USB recovery charge has dropped one cell .01V and raised another by .01V but that happened over 2 hours. Any ideas?[/QUOTE] I know typical lithium recovery charges are very slow until each cell reaches a certain limit, IIRC about 2 V.

There is a thread on it, IIRC you need the latests version of Solidworks.

I wonder if this is why EcigStats is not working (the ddl is empty)

I would set the DNA screen to show each cell voltage and put it on charger and watch to see if the low one raises, it will be slow as the balancing works by draining the high cells.