eLeaf iStick 50W on the oscilloscope

[Andre]

Ok,

Duration test on the 1.2Ohm OCC in the Subtank on the iS50 done. Flippinhel, it's tough going back to down-to-earth puny-vaping after being so long in the subohm ADV-heaven zone. Settled on a fixed 15Watts and got going. Every refill was performed when the juice level was just below the ports on the coil, so take the 4.5ml qauntities with a +-pinch of salt. AFC was mostly on max and vaping style was looong straight-to-lung hits ( Subsconcious compensation due to lack of subohmage)

1.2Ohm Coil in iStick 50 @15Watts/4.2V(as displayed):

1. 17:31 to 22:35 01.03.2015 4.5Ml Subtank Mini Colossus/H1N1/VG 4mg
2. 22:35 01.03.2015 to 11:00 02.06.2015 4.5Ml Subtank Mini Frenilla 6mg
3. 11:00 to 20:35 02.06.2015 4.5ml Subtank mini H1N1/Colossus/VG 4mg
4. 20:35 02.05 2015 to 09:40 03.03.2015 4.5ml Subtank Mini Wakonda 6mg...battery about a bar above half at this stage
5. 09:40 to 13:15 03.03.2015 4.5ml Subtank mini – AV Blend4 till battery reached blinking zero bars at 13:15.

= about 19ml Juice consumed in total

Geek time (ie...finally figured out what the puff timer on the iStick is good for):
One thing I found interesting was the lack of expected battery life throughout this test despite the 3.5Amp draw of the 1.2 compared to the 7+ Amps on the 0.5ohm coil, then I realized ...frikkin Joules and how my adjusted vaping style influenced this!

A Joule is a unit of work. In this case the work required for 1 Watt for 1 second: J = Watt x second

On the 0.5Ohm@25-32Watts I was generally vaping at about 1.8-2.2 seconds per hit with longer pauses between hits, averaging 2seconds per hit. So 25Watts x 2Secs = 50 Joules per hit

With the 1.2Ohm I was averaging 2.8-3.8 seconds per hit (averaging at 3.3 seconds). 15Watts x 3.3 seconds = 49.5 Joules per hit!!!! and I was double-clutching with shorter intervals between hits, so basically I was working the mod harder at this level than when I was subohming, in an attempt to attain a similar result( heat/density/flavour). Interesting, Neh?

Very interesting. Thank you for the trouble. 19 ml of juice, with or without a pinch of salt, on one charge is still impressive.

 

[huffnpuff]

Very interesting. Thank you for the trouble. 19 ml of juice, with or without a pinch of salt, on one charge is still impressive.

Haha, I was expecting a few more DAYS. Didn't factor in my hard hitting ways though. One thing I can say about these new commercial subohm tanks like Subtank Mini + OCC. They can take a hit! I have yet to any experience gurgling/leaking in any of the new stuff (Subtank/Atlantis/DeltaII) out there, no matter how hard I hit them. Good Times for plug and play

 

[Silver]

Thanks @huffnpuff
Great feedback and i loved your comparison of the two coils from a joule perspective.
19ml of juice is mighty impressive!!!

That must be the king of battery life for one device of that size.

Which coils would you reorder? The 0.5 or the 1.2 ohm ?
Or both?

 

[huffnpuff]

Prefer the 0.5 in the Subtank mini as it suits my vaping style better, but the 1.2 is kickass in the Nano on my work backup iStick 20.