My Vamo should be getting here next week along with 2 16350's and 1 18650. I've seen some people say the two mini batts work the best on this device. Is this true?
Does two batteries really give a better vape?
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With one 18650 or 18350, the output its limited to around 4.8 volts i think, with stacked, you can run all the way up to 6 volts if you wanted to.
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Thanks. I might be ok then, I usually don't go over 4 volts anyway.
I believe the information is incorrect.
In the PBusardo Video, for normal vaping the 18650 matched the stacked.
If I remember correctly for extreme vaping the two batteries did make the unit perform closer to Spec
With Dual Coil the unit maxed out / Stayed true to Voltage at a lower point with the 18650 than it did with the stacked 18350
So 1 18650 is fine for the masses, those who like to fry attys/clearos will want the two 18350
In the PBusardo Video, for normal vaping the 18650 matched the stacked.
If I remember correctly for extreme vaping the two batteries did make the unit perform closer to Spec
With Dual Coil the unit maxed out / Stayed true to Voltage at a lower point with the 18650 than it did with the stacked 18350
So 1 18650 is fine for the masses, those who like to fry attys/clearos will want the two 18350
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Well i just tried 1 350 took it to 15 watts and hit just fine. Then same settings with a 650 with same results and stacked 350's same again.
Unless you vape over 12W, stick with the single batt. And upgrade your spring if you have the cheap dinky one. Makes 18650's fit MUCH better.
It boosts to 6V anyway (PWM is basically a duty cycle between 6V and 3V. So 4.5V is 50% 6V, 50% 3V.) It does that regardless of how many batteries are in it. (If it couldn't, it would be a mechanical..) I haven't seen a scope comparison of single vs stacked, but it does seem happier in stacked mode..
Another two cents worth on battery stacking versus a single. With stacked 18350s the device is getting powered by around 7.4 volts, versus 3.7 volts for a single 18650. The duty cycle and boost circuit will get far less use at the 7.4 volt level. Additionally, depending on specific battery capacities of course, the stacked batteries deliver almost the same amount of total power even though 18350s have a much lower amp hour rating. This is simply because running at the higher voltage allows the device to buck rather than boost most of the time. From an empirical standpoint, I get as much vaping, measured in milliliters, from two 800mah batteries as one 18650 running at the same power level.
I don't get quite as much as an 18650, but definitely more than I get in stubby mode. (Technically there is no mah advantage to stacking - it is still 800mah, just 2x the voltage. As you said though, it is more efficient with higher input voltage.)
The PWM is a 6v/0v on/off cycle. When you get into high power with a single batt, it struggles to make the 6v in the boost stage; so peak output suffers.
There is no mAh advantage to stacking battries, but the is a Wh (Watt hour) advantage. At the same power output, battery drain current in stacked mode will be half of single batt drain current.
There is no mAh advantage to stacking battries, but the is a Wh (Watt hour) advantage. At the same power output, battery drain current in stacked mode will be half of single batt drain current.
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