If you do it often, then your lungs too! ![]()
I’m not doing it… because it’s precious! ![]()
(But I’d gladly recommend it ![]()
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Hi everyone, I also managed to get a 21, but I noticed that at quarter battery level, it throttles back from 30.2 down to 25. What could be the reason? Thanks in advance.
Maybe the battery is weak?
What battery are you using? Chipset? What mode and settings are you using?
@Gilbert, could you help @RozmanPatik with this? On the Stubby 21, he noticed that at a quarter battery charge, the mod throttles down from 30 watts to 25 watts. What could be the reason?
Hi! Thanks for bringing Gilbert into the loop! Of course, I’ll help, that’s my job! ![]()
Hi, @RozmanPatik! That’s a great question, and not at all a rare phenomenon with regulated (chipped) mods, especially with the 21700 Stubby.
The Suicide Mods Stubby 21700 AIO uses a proprietary chipset that is quite smart, but sometimes conservative too.
Why does the mod step down from 30W to 25W?
This is likely a function of the chipset’s battery management. Mods have a set low voltage limit (cutoff) below which they don’t allow the battery voltage to drop, thus protecting both the battery and the device.
When the battery charge drops (to about 25%, as you mentioned), its voltage will also be lower. If you start using it at 30W, under load (this is called voltage sag), the voltage will momentarily drop.
The Stubby’s chip, in such cases, reduces the power (to 25W in your case) so that the voltage under load doesn’t drop below the critical limit (which is usually around 3.2V-3.4V). This is a protection feature, not a malfunction! The chip prefers to reduce power rather than shut down, allowing you to continue using it for a while before it completely depletes.
What are the most important factors?
As @Helomi78 also asked, the most important thing is what battery you are using!
- Battery condition and type:
- What battery? If you’re using a weaker 21700 with a lower CDR (Continuous Discharge Rate), it will
I tried in simple WV mode with multiple batteries and also with a new cable/connection. I take the battery out and put it back in, and then it works again for a good 20-25 minutes.
I think this is the solution here, but @tibor_balogh or @Lawicska can better tell from experience how their Stubby 21 reacts at a quarter battery charge.
I don’t know if it counts, I have only changed the battery 4 times, but I can drain it completely and it doesn’t recover its performance; I am using it with a Samsung 40T.
But you have a DNA chip! ![]()
Yes, I know. That’s why I mentioned it, my experience might not count ![]()
Experience always counts, and is useful, especially if you share it with others! ![]()
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Hi!
I use it with a Molicel INR21700-P42A battery, and it lasts 2-2.5 days at 20w. They are the same age as the Stubby 21; I bought everything new around the end of April. I use it heavily 24 hours a day. Sometimes it handles chain vaping too. So far, I haven’t had any issues with it, even when completely drained. The last few puffs still run at 20w; it doesn’t drop lower. Using this wire and a Voopoo DTL drip tip, 20w is enough for me; I have no problems with it. One full charge always runs out eventually, so I keep them cycling. ![]()
Low battery, the power stayed at 30 watts.. I am almost certain that battery weakness can cause the chip to throttle back.
Currently, in my opinion, there are 2 battery types that are the best 21700
Samsung 50T
Molicel INR21700-P42A
It was good to read the topic again .. I’m glad that my love for Stubby has charmed so many people ![]()
Just this week the Fun club gained two more members ..
Good Vapes ![]()
Unfortunately, money is tight lately, otherwise I would have it already.

Thanks for the answers, I’ll get a few new batteries anyway, since they are all already 1 year old.
Hello everyone, it’s me again
. I got 2 Molicel batteries, but for some reason the computer doesn’t detect them.
Can you send a picture?


