SMOK TFV4 Sub Ohm Tank Review

SMOK have come out firing, quite literally, with the release of the new SMOK TFV4 tank, promising to be the best performing sub ohm tank available to date, featuring two brand new redesigned tri and quad coil heads and a revamped RBA deck for your own builds, this tank is looking like it can handle serious high power!

Also featuring a 5ml juice capacity, a unique top filling design, adjustable airflow on both the tank and the drip tip to keep your vape cool, SMOK are really looking to provide the best sub ohm tank around.

The TFV4 has been released with the idea in mind to pair it with the new SMOK XCUBE II box mod, capable of a whopping 160w and one we will be reviewing shortly. With the quad coil heads capable of being able to handle a reported 140w, this tank looks to be an ideal match of the XCUBE II!

The Smok TFV4 on paper looks to have it all, does the performance match up to the hugely impressive specs list?

SMOK TFV4 Kit Contents

• SMOK TFV4 tank with pre installed 0.2 ohm TF-T3 tri coil
• TF-Q4 0.15 ohm quad coil
• TF-R1 single coil RBA deck
• Spare pyrex tank section
• Spare black silicon seal
• Spare white silicon seal
• Type C sealing pad
• Two drip tip sealing rings
• One airflow sealing ring
• Packet containing RBA accessories, pre made coil and Japanese cotton wick
• User manual

That’s a hell of a lot included with the TFV4 package, SMOK have included pretty much anything and everything with this tank!

Right out of the box you can see the TFV4 tank just means business, looking at it you can just see this tank is raring to throw out some massive clouds at high power!

SMOK TFV4 Key Features

• Dimensions: 24.5mm width x 70mm height
• 510 threaded
• Capacity: 5ml
• Replaceable glass tube
• 100% pure organic cotton used in the stock coils
• Large rectangle shaped liquid intake holes provide huge vapor
• Double layered drip tip structure, heat shield (1-2mm spacing)
• New patent sub ohm quadruple coil 0.15Ω (TF-Q4)
• New patent sub ohm triple coil 0.2Ω (TF-T3)
• Rebuild-able dual coil 0.25Ω (TF-R2)
• Rebuild-able single coil 0.85Ω (TF-R1)
• Leak proof top refill design

SMOK TFV4 Build Quality, Looks and Set Up

Right away just by looking at the SMOK TFV4 you can tell this is a really well built unit. Constructed of stainless steel with a very thick pyrex glass section, with a 5ml capacity, 24.5mm width and 70mm height, it’s a very solid tank and pretty weighty too.

Being 24.5mm width this is going to overhang most mods unfortunately, but it is barely noticeable.

The airflow on the tank looks very impressive, you have four massive airflow slits on the airflow control ring and each one is finely adjustable, the airflow control ring is very smooth.

You also have the same airflow system present on the base of the drip tip, so you can adjust the airflow coming through the drip tip, closing this off will make for a very warm vape, opening it right up will cool the vape down.

Set up is easy, the TF-T3 0.2ohm tri coil head is pre installed so with a few drips of liquid into the coil head itself to prime it, you can fill your tank up and use it straight away.

Filling is easy as the top of the tank swivels away on a hinge giving you access to a fill port that accommodates any type of bottle tip and glass dropper you can think of!

Just make sure you close off the airflow from the tank when filling as e juice does have a tendency to leak from the airflow slots when this is left open during filling.

Also, the cap does come away quite easily so just be mindful of this. You do have the 0.15 ohm TF-QF Quad Coil tank included in the package, as well as the TF-R1 Single Coil RBA deck, which I will go into more detail about in the sections below.

SMOK TFV4 Airflow and Performance

The airflow system is now not only located on the tank but also on the drip tip as well. The airflow control ring is really easy to use and the airflow slots on both the tank and drip tip can be fine tuned to suit your vape. This is a tank for the lung hitters, some crazy clouds are produced with the airflow at its most open setting!

For performance, this is really governed by the different coil heads available for the SMOK TF4 tank, and as they all perform very differently I have broken these down into different sections below-

TF-T3 0.2 OHM TRI COIL

You will find the TF-T3 0.2ohm coil comes pre installed with the SMOK TFV4, the coils are uniquely arranged vertically within their own coil compartment. The stated range for the 0.2ohm coil is 40-130 watts, so after getting the coil primed I started off with using it at 40 watts.

The flavor was really nice and clouds were pretty decent, though vape was cool, so that was a promising start.

Cranking it up to 50 watts and the vapor started warming up nicely, clouds were beginning to pick up and flavor was coming through even better. 60-70w was more of the same but warmer, things really started happening at the 70-80w range though!

I got the best flavor at 70-80w and some crazy cloud production, this was my favorite setting. At 90 watts and above the vapor was starting to get really warm at the tank was really starting to hit hard.

It seemed to me like 70-80w was the best setting for flavor, as the flavor started to drop off a little at above this but 80w and above was the best for clouds.

At 100-130 watts the flavor was very good, but not quite as good as using it in the 70-80w range. The clouds were absolutely huge though and I wasted no time filling the room with vapor quickly!

This is one hell of a thirsty tank though, probably the thirstiest I have ever laid hands on.

I was a little disappointed however that I only got 4 days use out of the coil before the cotton became too charred to use, for flavor the TF-T3 tri coil was really outstanding and I was very much enjoying it!

TF-Q4 0.15 OHM QUAD COIL

SMOK recommend that the 0.15 ohm TF-Q4 quad coil can be used at 40 watts right up to a massive 140 watts!

With this in mind, I primed the TF-Q4 coil and started off at 40 watts, with gave a pretty pedestrian vape with fairly muted clouds and flavor.

Given the huge range that this coil can be operated with, I ramped the power up to 80 watts. This was a vastly better experience, a really warm vape with loads of flavor and really big clouds. Jumping up to 100w and again a very warm vape, flavor was a touch better than at 80 watts and the clouds were really beginning to chuck out.

At 120-140 watts the vape was beginning to get quite hot and the flavor was actually starting to become pretty muted, probably due to the amount of power going through the coil. Clouds were totally ridiculous though and I was constantly refilling the tank!

I managed a whopping 145 watts out of this coil using 60/40 juice which is like no other tank I have experienced. The tank did get very hot at this power, the vape was extremely warm even with the airflow on the drip tip wide open!

Thankfully I didn’t get a dry hit at this power but even 3mg nicotine was too much for me to vape for too long with this tank at over 100w, I had to mix some nicotine free juice to use with the quad coils as it was knocking me sideways.

My e liquid was also being vaporized in a matter of minutes!

SMOK themselves recommend that a max of 140w can be used with these coils, but as I found the quad coil can be pushed a little further.

TF-R1 SINGLE COIL RBA DECK

Included with my SMOK TFV4 was the TF-R1 single coil RBA deck, which was a welcome addition to the package, as people who enjoy rebuilding their own coils can dive right in with this inclusion.

The deck itself is pretty much exactly what you would find with the Subtank Mini RBA, however the juice channels are much wider here.

You can use the included pre made coil, which has a resistance of 0.85 ohm, I decided to do this to see how it would perform. There are little post holes available to the front of the posts however I actually found it easier to trap the coil legs underneath the post screws themselves.

The coil then needs to be centered over the airflow hole and you just need to be mindful that it is not placed too high so that it will short on the chimney.

I wicked the coil fairly generously with the included Japanese cotton, and had my wick tails either side of the coil at the top of the juice channels.

Making sure the coil was primed by dripping juice down onto the wick, I also filled the tank up and let it stand for a few minutes. I began by using 15 watts which gave me very little flavor and next to no vapor production.

I cranked this up to 20 watts which gave me a bit of an increase in flavor and vapor production, but nothing really to write home about. At 25 watts the vape got warmer, the flavor was much better and vape production was much better. At 30 watts I was getting quite a few dry hits and it wasn’t really enjoyable at this power.

Re-wicking the coil with less cotton gave pretty much the same results. Overall, 25 watts seemed to be the best setting, the clouds and flavor were OK but were not a patch on the stock coil heads.

Hopefully the dual coil RBA deck will give better results!

SMOK Will also be releasing the following coils to work with the TFV4 tank

• TF-TI TITANIUM CORE – Temp sensing coil – 0.33Ω (450°F-600°F)
• TF-R1-V VERTICAL RBA CORE
• TF-S6   SIXFOLD (sextuplet) CORE – 0.4Ω (30w-100w)
• COOL AIR CORE
• HIGH RESISTANCE CORE

Final Thoughts

Really encouraging from SMOK, the TFV4 represents the best release to date from SMOK and is definitely one of the very best sub ohm tanks around.

The e juice flavour is exceptional with the TFV4 tank and the tri and quad coil sections blow absolutely huge clouds and blow most other tanks out of the market! I haven’t tried a tank that is capable of handling the power the TFV4 can handle, especially when using the quad coil heads.

If you love to run your tanks at high power, then the SMOK TFV4 is definitely the tank for you. The RBA deck is a good addition, although a little underwhelming, I received the single coil version however I am aware that there will also be a dual coil RBA deck available too.

There are still a couple of niggly flaws with the TFV4, but perhaps these small issues are something SMOK will iron out with further revisions of the tank itself, but this is absolutely the best SMOK tank released to date and proof that they can mix it with the big boys in the world of sub ohming!

The Good

• Top fill system means easy refilling on the move without even having to remove your tank from the mod
• Absolutely massive vapor production, this is a real cloud chasers tank
• Flavor is superb, best out of any SMOK tank yet
• Best performing SMOK tank to date
• One of the best sub ohm tanks on the market
• Handles high power better than any other sub ohm tank out there- I was able to take the tank up to 145 watts!
• Huge airflow and easy to use airflow control ring
• Adjustable airflow on the drip tip keeps your vape from getting too hot at high power
• RBA deck means you can build your own coils
• Big 5ml capacity

The Not So Good

• Swivel top cap on top fill system has a tendency to swing open easily, I have lost a couple of tank fulls of juice on occasion. There is however an extra rubber band included with kits to ensure this doesn’t happen so not much of an issue.
• Very thirsty, probably the thirstiest tank out there, you will get through tons of juice!
• 24.5mm width and the whole size of the unit may not be to everyone’s liking
• Leaks through the airflow holes if they aren’t closed when filling
• Tri coil only lasted 4 days before burning out
• Tank unit can get very hot at 60 watts and over
• Single coil RBA deck is a little underwhelming, results weren’t massively impressive with the single coil version