Good review and just a fyi, these use the same desai batts as the joyetech Twists...
Got a couple, one in black and one in chrome finish 16mm 1300 mAh "FATBOY", from gotvapes today just 6 days after ordering on the 10th. So excellent delivery times. Cost about £20.00 each with delivery including newsletter discount.
First impressions are:
1. The obvious shorter length than a 1000 mAh twist. Not all that much longer than a 650 mAh Twist for double the vape time. So a big plus.
From left to right-->1000 mAh joyetech Twist, 1300 mAh VV spinner, 650 mAh joyetech Twist.
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2. Exactly the same diameter as a Vapingthings and VH genesis which is one of the reasons I bought it for. I think it's called the Griffin in the US.
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3. Highly visible markings and the increment is by twisting in clockwise and not counter clockwise. Markings go up in 0.5 increments of 3.3, 3.8, 4.3 and 4.8 volts,
4. Not as well made as the Twist. The battery tube must be very thin. On the chrome finish one you can see a slight bulge where the top cap/pot has been press fitted into the tube.
5. Good short circuit protection in dead short situations where it flashes and switches off. Unlike the twist which also has SC protection but in a different way where the voltage just drops to zero but the button remains lit.
6. The button is slightly uncomfortable. They have used the standard 14mm ego connector and button is a touch uncomfortable as it is standard ego button and does not fall comfortably to the thumb.to press. They should have made the button a touch higher.May be a case of getting used to it.
Those are my first impressions. I am sure with the higher rated battery it will be able to supply the demand at the set voltage for a longer time unlike the twist where the voltage starts drooping after about 3-4 seconds. I am also hoping that once it dies, I should be able to put in a 14500/14650 battery in there, which was the idea behind why I bought it in the first place.
Overall a definite thumbsup for those who want a smaller form factor with half decent battery life and possibly try to fit a 14500/14650 battery into it in the future reusing the tube and circuitry and the pot.
I forgot to order the Type D ego cone to better finish it off but make sure you get one if you are going to use a 15/16mm dia -mizers like the mini nova or the Chinese genesis or the new 16mm Diameter DID from MM vapors ...