This is rather confusing to me too, why can't the MVP buck the voltage down? Its a VV device no?
Ohm Differences In Coils?
- Thread starter phanatik
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Maybe I can take a stap at it.
A thing to note, the minimum voltage that the MVP will fire is 3.3V (I stand under correction but IIRC then this is the case with both the MVP and SVD).
If using a 1.2ohm coil at 8 Watts the voltage required will be 3.1V which is too low for the MVP to fire. In order to be at 3.3V the wattage would need to be at 9watts. Thus the lowest you can dial it down is 9watts with a 1.2ohm coil.
Hope that helps
A thing to note, the minimum voltage that the MVP will fire is 3.3V (I stand under correction but IIRC then this is the case with both the MVP and SVD).
If using a 1.2ohm coil at 8 Watts the voltage required will be 3.1V which is too low for the MVP to fire. In order to be at 3.3V the wattage would need to be at 9watts. Thus the lowest you can dial it down is 9watts with a 1.2ohm coil.
Hope that helps
Ohms law says at 3.3V and 1.2Ohms the output in current is 9W.
In the specs of the MVP it should state what is maximum output current in Amps? once we've got that then we can calculate if 1.2 or 1.5 is best. (2 things fixed (current and power [W]) and easy calculation according to Ohms law).
current = Amps and power = Watts
Spot on Johan, sorry lack of sleep here. It should have said Ohms law says at 3.3V and 1.2Ohms the output in current is 2.75A or 9.07 watts.
So the AMP limit is penned down at 3.0 Amps
i'm hoping to get a bit power power for the thicker VG juices and the more complex flavours that I want to explore, but be able to dial it down for a mindless vape reminiscent of an infant sucking on their thumb when gaming away... apologies if the analogy was a bit too much for this forum, but I did not say suckling on a mother's teat, as was used on another thread
Maximum output current is 0.5 A, according to Google.
EDIT: No, sorry, that is for charging. According to the Innokin Manual, the maximum current output is 3 Amperage: http://www.innokin.com/iTaste_MVP_USER_MANUAL_373.html
EDIT: No, sorry, that is for charging. According to the Innokin Manual, the maximum current output is 3 Amperage: http://www.innokin.com/iTaste_MVP_USER_MANUAL_373.html
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Ah, came to the same anwer, and in line with what @BhavZ said above.
So, if I am correct, the 1.8 ohms coil will allow you to use the full power range down to 6W. With the 1.2 ohms coil, you cannot go lower than 9W.
Thus to answer @phanatik's original question, seems to me his habits would prefer a 1.5 ohm coil.
Having a variable wattage device can be a bit confusing. In a nutshell it can only adjust the wattage within its rated Voltage/Amperage AND wattage range.
I'll illustrate with the Innokin VTR which is rated 6V and 5A but only 15W.
At maximum power setting 15 watts with a 1.2Ohm coil the voltage will adjust to 4.2V which is 3.5A, within spec.
The lowest power it can reach is 7.5watts with a 1.2Ohm since the lowest voltage it can reach is 3V which equates to 2.5A.
An easy way to calculate what your device can do is to look at Ohms law calculator and edit ohm value and click on 'Lock resistance' . Play with the voltage and amperage within the specification of your device and see what wattage you will achieve.
I'll illustrate with the Innokin VTR which is rated 6V and 5A but only 15W.
At maximum power setting 15 watts with a 1.2Ohm coil the voltage will adjust to 4.2V which is 3.5A, within spec.
The lowest power it can reach is 7.5watts with a 1.2Ohm since the lowest voltage it can reach is 3V which equates to 2.5A.
An easy way to calculate what your device can do is to look at Ohms law calculator and edit ohm value and click on 'Lock resistance' . Play with the voltage and amperage within the specification of your device and see what wattage you will achieve.
Oh my, a practical. What is the lowest voltage of the 20W Sigelei?So @soonkia, quiz time: What can a 20W Sigelei do with a 1.2 Ohm coil ..
Ok, on the assumption of lowest voltage also of 3V, then on the Sigelei 20W you can go down to 7.5W, which seems quite reasonable?
Don't think so .. 3V- 6V on a VTR, done some experiments at the lower voltages and it definitely puts out at 3.1V if dialed to 3.1V. Of course this a 'modulated', I think is the word, voltage which some mod's electonics do better than others...
Same lower limitation as the MVP. The sx350 chip is the first chip I know of that can take the voltage lower.So @soonkia, quiz time: What can a 20W Sigelei do with a 1.2 Ohm coil ..
But, the upper limit kicks the MVP on its ass.
Oh, no, wait, I can't take it above 12watts. The protank can't handle it - I still don't like the taste of burnt rubber.
It's like driving a Ferrari in peak hour traffic.
And it's another two weeks before I get my Russian... Then it's me, the Sigelei and the Russian at 20watts...yeah baby
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