DNA30 only firing at 3.1 to 3.3volt, no matter what wattage

[vccy118]

Hi all! Anyone experienced this before? Out of 11 DNA30 I ordered, 1 arrived dead (wouldn't turn on), and 2 does this:



I made sure there are no shorts etc. I just standard 510 connector and Keystone 1024 snap in battery holder with Panasoic 18650PF 10A battery 2900mah. Just in case it is the battery problem, I swapped out a total of 5 identical batteries and all shows the same results. Plus I am using 20 AWG wires as suggested in the manual.

Please if anyone have a solution to this as warranty with Evolv will take at least 5 weeks as I am not from the US and I need to get these work immediately...

Thanks!

 

[tcs007]

Have you tried using the Sony 30 Amp batteries? You have to use those to get the 30 watt output.

 

[vccy118]

As per your suggestion, I went and borrow my friend's VTC4... nope, still the same

 

[*deleon517*]

a little known issue that I have read about with the dna boards is the chip will only work up to about 10amps. However what it will then do is switch to an auxiliary mode where the power by passes the chip set protection and you get a straight from battery power source. This can all be found by researching the specs of the board.

not sure if that is what is causing your issue with the displayed output. of course that would also depend on the resistance of the build you are testing it on.

 

[vccy118]

The resistance is 1.4ohm... which I think is kind of reasonable right? It also fires only at 3.1-3.3volts when I set it to 7watts... and the ohm indicator should blink but it didn't...

 

[bking]

Have you resolved the issue? I think I'm having the same problem. Swap batteries and its still stuck +/- 0.1 at the same voltage reading regardless of which watt is used.

Difference is, it was working perfectly for a few days then this happened. Hope someone has a solution.

 

[sanjosse]

I realize that this an older thread, but I just built a DNA30 FastTech enclosure PV, and I'm having a similar issue. I can put in a fresh Efest purple 18650 and the volts will only read 3.5V or lower when I hit the fire button.

I'm a total nub with a soldering pen, so I'm really worried I did something wrong.

If anyone can help us out, we would be very grateful