Just ordered a sigelei 100Watt and couldn't find any VTC4 or 5 batteries so I heard the Samsung 25R would work. Whats the best build that would let me get to 100Watts, but is also safe. I don't plan on consistently vaping at 100W just want to try it out every once in a while. Currently have a mutation X RDA. Thanks.
Samsung 25R with Sigelei 100Watt
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Build your coil(s) under 0.6 ohms, set to 100 watts. Done.
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I have a Sigelei 100 watt and only use 30 amp batteries, although the manual for this mod does not say that you need 30 amp. I also have a god 180 watt this mod will not fire above 80 watts until you agree that you have batteries above a 25 amp c rating, get the safest batteries you can. Where these new high watt mods work the best is forcing the high watts thru higher ohm builds. I picked up some vtc 4s from voltagevapin.com for like 13 bucks each, about 3 weeks ago when I got my Sigelei.
18650 Samsung INR18650-25R 2500mAh High Discharge Flat Top
Use coupon ISPOWER for 15% discount (net price 6.80 ea)
These are 20 amp continuous discharge rate.
Use coupon ISPOWER for 15% discount (net price 6.80 ea)
These are 20 amp continuous discharge rate.
.... "Whats the best build that would let me get to 100Watts, but is also safe."....
.44 ohm
Edited to add.... the is no need to sub-ohm on this device though... look....
.44 ohm build
Voltage (E) = 6.6
Amps (I) = 15
Ohm (R) = .44
Watts (p) = 100
1.5 ohm build
E = 12.2
I = 8.1
R = 1.5
P = 100
The 1.5 ohm coil draws 46% more voltage to achieve the desired 100 watts and draws 46% fewer amps from the battery. You'll have a better vape and your battery will last a lot longer.
.44 ohm
Edited to add.... the is no need to sub-ohm on this device though... look....
.44 ohm build
Voltage (E) = 6.6
Amps (I) = 15
Ohm (R) = .44
Watts (p) = 100
1.5 ohm build
E = 12.2
I = 8.1
R = 1.5
P = 100
The 1.5 ohm coil draws 46% more voltage to achieve the desired 100 watts and draws 46% fewer amps from the battery. You'll have a better vape and your battery will last a lot longer.
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^^ Agreed this is how I use my iPV2 currently at 50 watts and how I will use my T8(when it comes in)
It is a great, "full" vape experience on these higher ohm coils and high wattage
It is a great, "full" vape experience on these higher ohm coils and high wattage
Watts in equals Watts out. You also need to add in that the Sigelei isn't 100% efficient.
So outputting 100 watts, you are drawing 105-110 watts from the battery. The Sigelei has stacked batteries so you need to double the battery voltage.
Fully charged
8.4v @ 105w =12.5 amps
Nominal Voltage
7.4v @ 105w = 14.2 amps
Weak battery
6.2v @ 105w = 16.9 amps
It doesnt really matter what build you make, the amp draw from the battery is the same.
So overall the samsung batteries would be safe to use even though they arn't 30amps?
Yes. I just got two of them to use with my T8 (150 watts not that I will probably ever go that high) when it comes in
The Sigelei 100Watt will not go high enough in voltage to reach 100 watts above a 0.6 ohm build IIRC.
Also, battery amp draw and voltage is not the same as device amp and voltage output. Watts taken from the battery will however equal watts output by the device plus inefficiency loss through the regulator. The Steam Engine calculator does a good job of calculating actual battery drain rates.
I'm pretty sure two 20a batteries will not support 150 watts. Have not checked it, but I know two 20a batts are just enough for 100 watts
ETA: See post #8. Spirometry posted the amp draw numbers for 100 watts
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I'm pretty sure two 20a batteries will not support 150 watts. Have not checked it, but I know two 20a batts are just enough for 100 watts
the website says that the max output is only 20 amps so I hope that they work
I will email them and double checkCloupor T8 150W Dual 18650 Box Magnets Back Cover Mod for Sale
the website says that the max output is only 20 amps so I hope that they work
Cloupor T8 150W Dual 18650 Box Magnets Back Cover Mod for Sale
That is device amp output not battery draw. I just put the numbers into Steam Engine's battery drain calculator. At 0.4 ohms, 150 watts, 90% efficiency and 6.4 battery volts (3.2v per batt) you get 19.36 amps output from the device and 26 amp draw from each battery.
Please let us know what they say when they get back to you.
OK, sorry about that i have never used the calculator before, I probably could have figured that out myself!!
And Ill let you guys know as soon as I find out!
Does it have a safety feature not to fire at 150 watts if the batteries are low?
I have a Cloupor ZNA 50 that uses a single 18650 battery and goes to 50 watts. I also have Sony VTC4's, Sony VTC5's, Samsung 25r's, and the purple Efest "35" amp (really 20 amp) batteries. Overall, my ZNA 50 runs the coolest with the Samsung and Efest batteries, and battery life is better with those brands as well. The 20 amp designation is continuous draw, which should not be a problem for 100 watts at 2.5 ohms. Keep in mind, however, that the batteries can handle more like 35 amps in shorter bursts, and when vaping, we are using shorter bursts. Also, I do not know if dual battery units behave differently when it comes to amp draw, but it's a possibility (i.e. each battery only works half as hard, which could mean they can handle much more than 100 watts but don't quote me on that).
Another issue I have with the Sony batteries is the wrapping does not last long at all. The wrapping on every Sony battery I own has split along the top edge, exposing the metal underneath.
Another issue I have with the Sony batteries is the wrapping does not last long at all. The wrapping on every Sony battery I own has split along the top edge, exposing the metal underneath.
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