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7.0 Final Score
Joyetech Espion Solo Kit Bottom Line

For a single 21700 battery mod, this 80W device performs pretty well. The ProCore Air Tank that comes with the kit really starts to kick in after a tank or 2 of juice and produces some really nice flavored clouds. If you vape at around 50-60W then this mod kit is perfect, any higher and you might be reaching for that spare battery more times than you'd like.

Joyetech ESPION Solo Starter kit in Gunmetal

In-depth Joyetech ESPION Solo with ProCore Air Tank Kit Review

After the success of the original Joyetech Espion with ProCore X, Joyetech is now releasing, in celebration of their 10th Anniversary, a solo version. Meaning a mod version with just one 18650 (or 21700), the battery capable of firing up to 80W. So how does this smaller version compete with the other best vape mods, and does reducing the battery to just one, help or hinder the mod? We take a look to see.

Side view of all the Joyetech ESPION Solo kits


Joyetech is using the tradition box mod look with the Espion Solo, a nice large 1.3” OLED touch screen, above is a nice sized fire button with 10th Anniversary engraved within, and below the screen is the function button and USB port.

Measuring in at 132.5mm tall, that’s with the ProCore Air tank on, 39.5mm wide and a depth of 25.5mm this mod is small.

Joyetech is initially releasing 4 colors to support their anniversary; gunmetal or silver, black, pink and dazzling or rainbow as we better know it!

They will probably be releasing some further colors in the future, but they will probably not have the anniversary engravings we see on these models.

The top has the spring loaded 510 thread so you can interchange your tank if you don’t like the ProCore Air Tank and want to use one of the best sub ohm tanks instead, but thats a nice choice to have.

The Joyetech ESPION Solo functions


The screen is well informed giving you all the essential information you need; the resistance of the coil, wattage/ temperature, clock, puff counter and battery indicator, easy to read with large fonts.

With the touchscreen, you can swipe to the right giving you further information about your coil and a puff counter, swiping to the left takes you to the menu function where you can choose the mode, info, set or exit.

Within the mode menu, you can set to power (wattage mode), RTC, TC (temperature control), TCR or bypass mode.

The info mode gives you information about your battery and the version of the firmware installed on the mod.

The Set menu allows you to lock or adjust the resistance of your coil, adjust the power, subpara and also adjust the clock. So, all in all, not too different than all the other and best e-cig products you see, nothing really new here.

The ProCore Air Tank both sizes

ProCore Air Tank

The ProCore Air Tank is a nice addition to this starter kit, and has been specifically chosen because of the power ratings that are recommended on their coils.

There are 2 versions of the tank, either a 4.5ml version for those living outside the EU and a 2ml version to comply with the TPD.

The ProCore Air Tank comes with Two ProCA 0.4ohm coils that are recommended to be vaped at between 55-65Watts.

One small negative we had was the amount of time it takes for the flavor to come through with these coils. Don’t expect too much from your first 5-10 vapes, but after that, you certainly do get the true taste coming through, slowly getting better and better.

Size of the Joyetech ESPION Solo kit shown in hand


First of all, it’s recommended to use the 21700 battery with this mod as it tries to draw 30Amps, a 18650 will struggle with this and hence not last that long. Some retailers offer the 21700 battery as part of the kit, but it does depend on which country is selling it due to the import/export laws of LiPol batteries.

That said,  we’re using the 21700 battery, first in temperature control mode. The Joyetech ESPION Solo performs pretty well, but we believe the higher in temperature you go the more conservative are the readings. So you may need to rise it a little in comparison to other mods you’ve used. With both stainless steel 316 and nickel 200 coils, the mod performed well without creating a single dry hit.

In wattage mode with the ProCore Air Tank, we found the optimum to be around 50W, even though the ProCA 0.4ohm coil stated the best wattage is 55-65Watts. This is typical with a new coil and as it’s used more and more, then the wattage should be increased accordingly.

The packaging of the Joyetech ESPION Solo kitThe flavor generated by the ProCore Air tank is really nice, after the initial soaking in of the vape, which may take 5-10 vapes, a little higher than other tanks, but the flavor and cloud content is good. It is one of those mods that can be used by smokers looking for an e cig to quit smoking, but it’s probably not their best option.


To Conclude

If you vape at the top end of the scale with the ESPION Solo, i.e. around 70-80W then the battery is simply not going to last that long, it is less than a dual coil 18650 mod and more than a single 18650 mod, somewhere in between, to give you some perspective! It is more suited around 50-60W, exactly what the recommendations are for on the ProCore Air Tank single and dual coils (ProCA, ProC1, ProC1-S, and the ProC2).

The Joyetech ESPION Solo 80W Starter Kit with ProCore Air tank is a decent kit especially for those who want a less obtrusive looking mod that will perform at its best at around 60W.


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Nicholas King
Nicholas King

Hi! I’m Nicholas King, the founder, and Chief Editor at SmokeTastic. As an ex-smoker and now vaping enthusiast for over 13 years myself, I understand the transition between smoking and vaping. My aim is to share useful information about all the different vape and e-cig products on the market, self-help tips, and detailed reviews.

I hope you find something on SmokeTastic that helps you with your decision process.

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