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Everything posted by HolmanGT
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retird, Thanks for thinking of me, I did see that. Two things to say it is about time VS got the display off the bottom (some people get a little angry when looking at the display only to find that their tank has emptied on to their lap) and the price is right. Now for the complaint, If I buy one more DNA Mod I may have to file bankruptcy.
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Legs, Even before the SS Fix (which by the way applies to all the material settings) you will get just as even TC control with Ni, TI as you do with SS. I have no clue how they pulled off this last stability fix. I have done a lot of Industrial Temp control using PLC(s) and I was never able to get the degree of accuracy Evolv has pulled off. What ever they did has to have put the fear of God into the rest of the TC industry. Legs, as far as Utah I live in the south west corner (the desert) and the heat is finally starting to back off a little. The cooler it gets the better I do. Thanks for asking.
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Legs, The Lost Vape Triade (or whatever it is called) is a DNA200 and you don't have any option but LiPO and the number of cells so you don't have the same 18650 option you do with the DNA75. Just leave it where it is. It doesn't seem to make two cents worth of difference anyway. As far as the battery bar I change all my DNAs (or charge) batteries when the bar is down to about an 1/8" (observational guess) and the batteries are usually at 3.5 ish volts. I could push them a little further but a lot of battery manufacturers say recharge at 3.5 so I figure I am ok or slightly better than ok. PS - it is about time you joined the world of real TC with a DNA unit.
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Thanks retird, I am reading thru it now. When I get thru all the if, ands and buts I let you know what I think. I read thru the non-rechargeables. I like the part about making sure it is short circuit protected and not allowed to inadvertently being turned on. Both of those items are not easy to guarantee. Anyway I'll get back to you on the re-chargeables in a little bit. etird, Well other than you need to be a lawyer to fully grasp all of what they are saying about sending rechargeable Lithium batteries in the mail it seems to me with all the words they used if you are shipping something that is mounted in the unit it was designed for or smaller than a LiPo Car Battery you are good to go. As long as the package is a half pound or less I don't know why they even bother to ask if there is a battery in the package (for shipping within the USA). But again thank you for digging up the link to the information. Next time I will just say "yes there is a LiPo but it is in the device it is supposed to power up and yes it is turned off". (then keep my fingers crossed).
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Thanks for the tip "retird", I will give that a try next time (God forbid) I have to ship a LiPo Mod. If I get 86ed I'll just go over to another post office and go thru my little con-job. Just my personal opinion I would be more inclined to think a LiPo hooked to a circuit would present more risk (circuit failure and/or battery failure) than an unattached battery packed for shipping. I seem to remember Googling this topic and don't remember what I found so I think I will give it another search today. fibbing to the USPS just doesn't sound like a real good practice.
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Chunky, Believe me that thought has crossed my mind more than once when I was dealing with some early DNA40s that had the Lithium batteries in them. I had to return a couple to Evolv for repair. The first time they asked if there was any hazords material of course I said no. Then she asked "and no Lion batteries", I nutted up for a second and said "gee, I don't know it is just one of those square kind of batteries", she said, "oh like the ones in a smoke detector" to which I pounced and said yeah I think it is one of those type". So she took my package and I used the same story on a couple of other repairs I had to send back. The DNA40 days were kind of hit and miss. You either got a great Mod or a ticking time bomb (poor choice of words). I will say that when I sent one of those back I did go into the unit and if it had a battery connector I disconnected it and if it didn't I cut and taped the battery wires. The thought of a package I sent starting a fire... well at the very least I thought I would be 86ed from sending packages thru the USPS and if it did any real damage God only knows... "It is not nice to fool Mother USPS". PS - I wish all LiPo pack Mods came with a power off switch or a battery connector. Every time I had to send one back to Evolv with the wires cut I was starting to get a little embarrassed and would send a note to Evolv's Service department explaining why I did what I did to the wires.
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Sorry Chunky, I didn't see the "VF" portion of your post. I am just paranoid about USPS and Lion batteries. Here they always ask if their are any in the package. I don't know what happens if you say yes so I fudge and say no just some regular batteries to which they reply that's OK then. Of course that was until I posted this and the NSA turns me in to the USPS.
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shorting the usb pins while battery is installed
HolmanGT replied to turbocad6's topic in Batteries and Charging
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shorting the usb pins while battery is installed
HolmanGT replied to turbocad6's topic in Batteries and Charging
Bill, I was going to stay out of this because if the OP does something wrong guess who will be blamed. Anyway, I agree with you and if there was any current available I am sure someone would have blown up a cellphone by now. That said I would short the power pins in the USB with a 1k ohm resistor and then measure the voltage across the resistor. Just using a DMM (digital multi-meter) that typically has an impedance of at least 10 meg ohms you may measure a voltage that is nothing to be concerned about because there is no current of consequence behind it. Using the 1k resistor will eliminate any high impedance voltage that the meter may be able, without the 1k resistor, to read. Using the 1k resistor and a DMM should be more than adequate to determine if the power pins are hot or safe around keys, change and whatever else you may have in your pocket. -
I too thought about playing with the word assume but I figured someone with a, now broken, VS might not find it too humorous. It may be that the update is more correct software than earlier versions and only reveals a problem that has been in the VS unit since the get-go. But now that Evolv has found a VS in their possession that manifests the problem I am sure they will come up with a solution rather rapidly. Two Cents !
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Chunky, One caveat, the individual batteries should be checked to make sure the current charge of each battery is very close to to each other before placing them in parallel for the first time. After that process they will behave as one battery and no further checking is necessary and the batteries will balance themselves.