Innokin Enduara T 8E Tank 1

Overview

The Innokin Enduara T 8E Tank 1 by Innokin in 1 at 0mg. Free UK delivery over £20, same-day dispatch on weekday orders before 4pm.

Innokin Enduara T 8E Tank Overview

The Innokin Enduara T 8E Tank is a replacement and upgrade tank from Innokin, the Shenzhen-based hardware maker behind the Endura pen-style range, the Prism coil family and a long list of beginner-friendly kits. It is sold here as a standalone accessory, which means you are buying the part that holds the e-liquid and houses the coil rather than a complete device with a battery. If you already own a compatible Innokin battery mod or pen kit and your original tank is cracked, worn out, leaking or simply tired, this is the straightforward way to bring the setup back to full working order without paying for a whole new kit.

The listing name is a little unusual. Innokin's own naming for this family follows the Endura T18E pattern, and shop listings sometimes shorten, reorder or mistype the model name. We have written this guide around the tank as it is supplied with the standard Innokin Endura-style 510-thread connection, a small-capacity design and Prism-style coil heads. Before you order, it is always sensible to check your existing coil's printed code or the markings on your old tank so that you buy the right coil refills alongside it. We cover the matching process in detail further down.

This page is a long, practical read on purpose. Tanks are one of those components where small details decide whether you have a pleasant, leak-free week or a frustrating one: how the coil is seated, how the airflow is set, how you prime it, which nicotine strength suits the resistance, and what you do when something gurgles. You will find honest performance expectations, comparisons with rivals from Aspire, Vaporesso and Smok where they are fair, UK-specific guidance on nicotine strengths and tank sizes, and a troubleshooting section you can come back to later.

Everything here is aimed at adult UK smokers and existing vapers. You must be 18 or over to buy or use vaping products in the UK, and these products contain or are used with nicotine, which is addictive. If you do not currently smoke or vape, you do not need to start.

Specifications at a Glance

Because this is a tank rather than a disposable, the specification list looks different from the puff-count-and-mAh style you see on single-use devices. The figures below reflect how tanks in this Innokin Endura and Prism class are normally specified. As with any accessory, treat the product page and the packaging as the final word if there is any difference, and check coil markings if you are matching refills.

• Product type: refillable mouth-to-lung style tank, supplied as a single unit (the 1 in the listing name denotes one tank, or the first variant in the range)
• Connection: standard 510 thread, which fits the vast majority of pen-style batteries and mods on the UK market
• Liquid capacity: small-capacity UK-format tank, normally 2ml, in line with the UK limit on tank size for nicotine vaping products
• Coil family: Innokin Prism-style replacement heads, commonly offered at around 1.5 ohm and 1.8 ohm with mesh or cotton-wick construction depending on the head you choose
• Airflow: adjustable bottom or side airflow ring, tuned for a tight mouth-to-lung draw
• Filling method: top-fill, usually via a sliding or twist-open section, so you do not need to unscrew the tank from the battery
• Typical power range: roughly 10 to 16 watts for a 1.5 ohm head, a little lower for 1.8 ohm; the recommended range is printed on the coil or its packaging
• Materials: stainless steel or alloy body with a transparent window so you can see the liquid level
• Suitable e-liquid: 50/50 and higher-PG blends, including nic salts, in UK-legal 10ml bottles and 20mg/ml or lower strengths

The headline number to remember is the capacity. A 2ml tank is deliberately small, which is exactly what UK rules require for refillable tanks sold with nicotine e-liquid. In practice it means you refill more often than you would on a 4ml or 5ml tank sold elsewhere in the world, but it also means each fill is fresh, the flavour stays crisp, and the tank stays pocketable. Plenty of ex-smokers prefer the pen-style format for precisely that reason.

Performance and Vapour Delivery

The Enduara T 8E tank is built for a restrictive, cigarette-like mouth-to-lung draw rather than a huge, airy cloud. If you have ever puffed a pod kit or a refillable pen and thought the draw felt natural, this is the same family of experience. You pull slowly for two to three seconds, hold the vapour briefly in your mouth, and then inhale. Vapour production is moderate, throat hit is noticeable with higher nicotine strengths, and the coil heats fast enough that you get vapour almost as soon as you press the button or draw on an auto-draw battery.

On a 1.5 ohm head at the lower end of its wattage range, expect a smooth, slightly warm vape with controlled vapour volume. Nudging the power up a couple of watts gives a warmer vape and a little more vapour, at the cost of using liquid faster and, with some e-liquids, a slightly harsher throat hit. A 1.8 ohm head runs a touch cooler and lasts a little longer between refills, which suits people who sip rather than chain-vape.

Airflow matters just as much as wattage. Opening the airflow ring all the way thins out the draw and increases vapour volume while slightly muting flavour intensity. Closing it down tightens the draw, concentrates the flavour and increases the throat hit. Most users settle on a position roughly half to two-thirds open, then adjust depending on the liquid. Thicker, higher-VG liquids can behave oddly in this style of tank because the wicking channels are small; a balanced 50/50 or higher-PG mix is the safer choice.

Expect a coil to last somewhere around one to two weeks for an average user, although this varies enormously with how sweet your e-liquid is, how hard you vape and how well you prime. Sweet dessert and sugary candy liquids tend to caramelise on the coil faster than menthol or fruit-ice blends, so a coil that lasts ten days on a tobacco flavour may only manage five or six on a custard.

Flavour Profile and What to Expect

A tank does not have a flavour of its own, but the coil, airflow and wicking do shape how your chosen e-liquid tastes. The small Prism-style heads used with this tank concentrate flavour well because the vapour path is short and the draw is tight. In practical terms that means fruit liquids come across bright and clear, menthol and ice blends deliver a crisp edge, and tobacco or bakery flavours show their body without being washed out by excessive airflow.

Mesh coil versions, where available, usually give a slightly broader, more even flavour with less of the muted first-few-puffs effect that some traditional wire-and-cotton coils show. Cotton-wick coils can taste a little more rounded and softer on sweeter liquids. If you have never compared the two, buying one pack of each is a cheap experiment and often more informative than reading reviews.

A few simple habits keep the flavour clean over the life of a coil:

• Prime properly. Every new coil needs to be saturated before you fire it, otherwise you taste burnt cotton and shorten the coil's life.
• Avoid switching wildly between flavour families. Going from heavy dessert to delicate mint in the same coil leaves ghosting. If you want to change flavour, change the coil or at least rinse the tank thoroughly.
• Keep the power modest. Running a coil above its recommended range dulls the flavour and shortens its lifespan.
• Watch for caramelisation. If the vapour starts tasting flat, slightly bitter or darker than the liquid should, the coil is probably gunked up.

There is no single correct flavour for this tank. It is a neutral workhorse that suits fruit, menthol, tobacco and sweet blends equally well. Where it falls down is with very thick, high-VG, sweetener-heavy liquids built for sub-ohm tanks, which can choke the narrower wicking holes and cause dry hits.

Design and Build Quality

The overall look is the compact pen-style silhouette Innokin is known for: a slim cylindrical body, a rounded drip tip, a clear window and a threaded base that sits flush against the battery. The footprint is intentionally small so that the tank pairs with slim Endura-style batteries rather than overhanging them. In the hand, a fully assembled setup feels more like an oversized pen than a chunky mod, which is helpful if you want to keep a low profile when vaping outdoors.

Construction is typically a metal body with a glass or plastic window, silicone seals at the top and base, and a drip tip made from a moulded polymer. In this price class that is exactly what you would expect. The metal finish resists the occasional knock in a bag or pocket, though it can pick up cosmetic scratches over time. The window is the part most likely to crack if dropped on a hard floor, so a small silicone sleeve or a pocket without keys in it is worth considering.

The seals are what most people overlook. Tank leaks nine times out of ten come down to one of three things: a coil that is not screwed in fully, a silicone ring that has rolled out of its seat, or overfilling. When the tank arrives, check the rings before first use. They should sit flat in their grooves and feel slightly tacky rather than dry or cracked. If a ring looks twisted, take a minute to ease it back into place with a clean fingernail. Do not use sharp metal tools that can nick the silicone.

The 510 connection is the other detail that matters. Because it is a standard thread, the tank will physically screw onto almost any 510 battery. That does not automatically mean every battery is a good match electrically, which is why we cover pairing and output limits in the battery section below. A well-built tank with a loose or dirty connection will still give you intermittent firing, so wipe the contact points with a dry cloth now and then.

Coil and Wick Technology

The coil head is the heart of the tank, and it is also the consumable part. Innokin's Prism-style heads use a compact cylindrical construction with a wicking channel at the base and a heating element wrapped or meshed around it, held inside a small metal can. When you fill the tank, e-liquid flows into the head through small slots on the side and wicks into cotton or a cotton-wrapped mesh. The heating element then vaporises it.

There are two designs you are likely to see in this range:

• Traditional wire and cotton coil: a wound resistance wire surrounded by organic cotton. This is the long-established design and produces a warm, rounded vape. It tends to be forgiving of mid-range power settings.
• Mesh-style coil: a flat steel mesh fixed against cotton. Mesh offers a larger heating surface, which usually means faster ramp-up, more even heating and a flavour that stays consistent across the life of the coil.

Resistance is usually quoted in ohms. For this style of tank you will most often see around 1.5 ohm and 1.8 ohm. The lower the resistance, the more current passes through at a given voltage, so the coil warms up faster and produces more vapour. Higher resistance coils draw less power, last a little longer between refills and suit tighter, lower-power vapes.

Fitting a coil is straightforward. Unscrew the base, remove the old head by pulling gently or unscrewing it from the centre post, drop the new one in, and screw it back until snug. Do not over-tighten, because the metal threading is delicate and the silicone gasket only needs light compression. Before filling the tank, let a couple of drops of e-liquid sit directly on the cotton through the side slots for a few minutes. This priming step is the single most important thing you can do to protect a new coil.

Compatibility is where mistakes happen. If your old coil has a code printed on the side, order the same code. Innokin has made many coil families over the years that look similar but do not fit across different tanks. When in doubt, ask before ordering.

Battery Pairing, Charging and Power

Because this tank has no battery of its own, the performance you get depends on the battery it is attached to. Innokin Endura-series pen-style batteries typically range from around 1000mAh to 1500mAh. At the modest wattage a 1.5 or 1.8 ohm coil uses, that is enough for a full day for most light to moderate vapers and a day and a bit for those who vape lightly, but heavy users should expect to top up or carry a spare.

Charge your battery using a USB-C or micro-USB cable depending on the model, and always use a reputable charger that outputs 5V. Avoid cheap, uncertified power bricks, which are a bigger risk than the batteries themselves. Do not leave a battery charging unattended overnight on a soft surface such as a bed or sofa. Most modern pen-style batteries include short-circuit and overheat protection, but sensible habits still matter.

A few notes on wattage and compatibility:

• If your battery has variable wattage, start at the lower end of the coil's printed range and work upward in small steps.
• If your battery is a fixed-output auto-draw pen, check that its output voltage is in the safe range for the coil's resistance. A fixed 3.7V on a 1.5 ohm coil works out at roughly 9 watts, which is a comfortable fit.
• Do not mix batteries and tanks with different thread depths without checking for fit. A tank that does not seat fully against the battery can lose contact or damage the pin.

Never use a damaged battery. If the wrap is torn, the casing is dented, the battery smells odd or gets hot in normal use, stop using it and take it to a recycling point. Used batteries and electronics should never go in household bins. Most UK supermarkets, DIY chains and council recycling centres have battery collection points, and many vape shops will accept spent devices. Tanks themselves are metal and glass or plastic and can usually be recycled through household metal recycling once emptied and cleaned, although local council rules vary, so check yours.

Choosing the Right Nicotine Strength

Nicotine choice depends on two things: how much you currently smoke or vape, and how restrictive the tank is. This tank is a mouth-to-lung design with a relatively low-wattage coil, so it behaves in a similar way to many nic salt pod devices and traditional pen kits. The UK legal maximum for nicotine e-liquid is 20mg/ml (2%), and the maximum bottle size is 10ml. Disposable vapes are also subject to the 20mg limit and a 2ml tank or pod limit, but with a refillable system like this you control the liquid you put in.

As a rough guide for adult smokers moving to vaping:

• Heavy smokers (20 or more cigarettes a day): a 18mg to 20mg nic salt, or a 12mg to 18mg freebase in a 50/50 blend, usually feels like enough to take the edge off cravings.
• Moderate smokers (10 to 19 a day): 10mg to 12mg nic salt or 6mg to 12mg freebase is a common starting range.
• Light smokers or social smokers: 3mg to 6mg freebase, or 5mg to 10mg nic salt, tends to be plenty.
• Experienced vapers stepping down: reduce slowly, 2mg to 3mg at a time, rather than dropping suddenly and finding yourself vaping constantly to compensate.

Nic salts are smoother at higher strengths, so a 20mg salt is generally less harsh than a 20mg freebase. Salts also suit low-wattage coils like this one, because they deliver nicotine efficiently at modest power. If you are not sure which type to buy, a 50/50 nic salt in 10mg or 20mg is the common starting point for pen-style tanks.

If you are getting a headache, feeling lightheaded or nauseous, or your throat feels raw after every session, your strength is likely too high for how you are using the device. Drop to the next strength down. If you find yourself puffing constantly without feeling satisfied, step up one level. Nicotine is addictive and this guidance is not medical advice; speak to a pharmacist or local stop smoking service if you want support.

Who This Tank Suits and Who Should Look Elsewhere

The Enduara T 8E tank sits comfortably in a few clear niches. It is not for everyone, and being honest about that saves you money.

It suits:

• Owners of compatible Innokin pen-style kits who need a spare or replacement tank without buying a whole new setup.
• Ex-smokers who want a familiar draw. The tight mouth-to-lung style closely mimics a cigarette, which many people find easier than a loose sub-ohm pull.
• People who value portability. A 2ml tank on a slim battery fits in a jeans pocket in a way that larger tanks do not.
• Anyone on a budget who wants to refill rather than keep buying single-use devices.

It is not ideal for:

• Cloud chasers. If you want large clouds of vapour from a free-flowing, direct-lung tank, this is the wrong format entirely.
• Heavy all-day vapers who will find themselves refilling every hour or two with a 2ml capacity. A pod kit with a bigger cartridge or a larger tank elsewhere may suit better, though UK rules limit tank size for nicotine products.
• People using thick, high-VG liquids. These are built for sub-ohm tanks and can starve the coil here.
• Anyone who does not already own a compatible 510 battery. You will need a battery as well, and you should buy one that suits the coil's wattage range.

If you are brand new to vaping and have never owned any hardware, a full starter kit is easier than buying a tank on its own, because the battery, charger and tank are already matched. The tank is the right purchase if you already have the other half of the system.

How to Use: Filling, Priming and First Puffs

Getting a tank set up correctly takes about five minutes, and doing it properly pays off in coil life and flavour. Work through the steps in this order.

• Check the parts. Make sure the silicone seals are seated, the coil is screwed in firmly, and there are no loose pieces. Rinse the tank body and drip tip briefly in warm water and dry them thoroughly to remove any manufacturing residue.
• Prime the coil. With the coil head fitted, put two or three drops of e-liquid directly on the cotton through the slots on the side. Leave it to soak for five minutes.
• Fill the tank. Open the top-fill mechanism, tilt the tank slightly and run the liquid down the inside wall rather than directly onto the central chimney. Stop at the maximum fill line, leaving a small air gap at the top.
• Close and wait. Close the fill port fully, screw the tank onto your battery and let it stand for another five minutes. Rushing this step is how new coils burn out.
• Set the airflow. Start about half open.
• Take gentle first puffs. Without pressing the button, take two or three slow draws to pull liquid into the wick, then vape at a low wattage for the first tank. Increase gradually.

When refilling, stop vaping before the tank is completely empty. Running a coil dry is the fastest way to ruin it. As soon as you see the liquid dropping low in the window, top it up. Tanks work best between about a third and full.

Do not overfill. Overfilling can push liquid into the airflow channel and cause leaks and gurgling. Store the tank upright when not in use, and keep it out of direct sun or a hot car, because heat thins the liquid and can seep past seals.

To clean the tank, strip it down every couple of weeks or whenever you change coil. Rinse the parts under lukewarm water, dry them fully with a lint-free cloth, and let them air dry for an hour before reassembly. Avoid dishwashing liquid with strong fragrances, which can linger and affect flavour.

Troubleshooting Leaks, Dry Hits and Gurgling

Most tank problems follow a handful of patterns. Before assuming the tank is faulty, work through the common causes below.

Leaking from the base or airflow holes. The usual suspects are a loose coil, a twisted or missing seal, overfilling, or pressure changes (for example, in a bag on a plane or in a warm car). Disassemble, check each seal, tighten the coil gently and refill to just below the maximum line. If it still leaks, try a fresh coil, because a worn coil can stop sealing properly.

Dry or burnt hits. This means the cotton is not saturated. Causes include an unprimed new coil, running the tank too low, chain-vaping faster than the wick can refill, power set too high, or liquid that is too thick. Stop immediately, let the tank rest for a few minutes, lower the wattage and open the airflow slightly. If the burnt taste persists on fresh liquid, replace the coil. A burnt coil does not recover.

Gurgling or spitting. Small pools of condensation or liquid in the airflow path cause crackling. Blow gently through the drip tip with the tank detached from the battery to clear it, wipe the chimney with a tissue, and avoid overfilling.

Weak flavour or low vapour. This points to a tired coil, low battery or airflow that is too open. Check each in turn. A coil that has lasted two weeks and now tastes flat is simply at the end of its life.

Intermittent firing or no vapour. Clean the 510 connection at the bottom of the tank and the top of the battery with a dry cloth or a cotton bud lightly dampened with isopropyl alcohol, allowing it to dry fully. Check that the tank is screwed on correctly and that the battery has charge.

Unexpected taste of plastic or metal. New parts sometimes have a slight smell. Wash the tank, dry it, and use a few puffs on a low setting to bed it in. If it persists after a day, contact the shop.

Value for Money, Running Costs and Honest Comparisons

Value is easiest to judge by comparing what you spend per week against other ways of vaping. A replacement tank is a one-off cost, and then you pay for coils and e-liquid. A coil typically lasts one to two weeks for an average user, and a 10ml bottle of e-liquid in a 2ml tank gives you five fills. For a light to moderate vaper, that usually works out at a few pounds a week in liquid and coils combined, which is generally cheaper than buying a new disposable every few days.

Compare that with disposables. A typical UK disposable contains 2ml of 20mg e-liquid, and many people go through one every two to four days. At a typical shop price, that adds up quickly over a month. Disposables also mean throwaway plastic, batteries and electronics, which is an environmental downside compared with a refillable setup where you replace only the coil.

The tank also protects your existing investment. If your battery is working perfectly but the tank has cracked or the thread is worn, spending a modest sum on a replacement tank is clearly better value than replacing the entire kit. For anyone with spare Innokin parts, this is the sensible fix.

Where value can be lost is in mismatched coils. Buying a tank and then discovering the coils you need are hard to find or expensive wastes money. Before you check out, confirm which coil heads fit, make sure you can buy them readily, and think about adding a multi-pack. Multi-packs generally work out cheaper per coil than singles.

One further point on running costs: cheap, poorly made e-liquid tends to gunk coils faster. A mid-priced, reputable liquid usually extends coil life enough to pay for itself.

No tank wins on every measure, and a fair comparison helps you decide whether this one is right. Here is how the Innokin Enduara T 8E stacks up against the other formats you are likely to be considering.

Versus Aspire Nautilus-style tanks. Aspire's Nautilus range has been a long-standing mouth-to-lung reference point. The Nautilus family usually offers a similar 2ml UK capacity, adjustable airflow and well-known coil heads that are easy to find. The Innokin option wins on fit if you own an Endura or compatible Innokin battery, because the pen-style proportions are better matched. Aspire is often the better choice if you want an established ecosystem of coils and accessories across many batteries.

Versus Vaporesso GTX or Smok Nord pods. Pod systems with replaceable cartridges are simpler to use, with less to assemble and less to go wrong. They also tend to include coil-and-cartridge in one unit, so there is no priming step. The trade-off is that each pod and coil is a single unit, so running costs can be higher, and you are locked into one maker's ecosystem. A tank like this gives you more control over the coil choice and the e-liquid.

Versus disposables. Disposables are convenient and pre-filled, but they cost more over time and create more waste. Refillable setups take a little learning but are cheaper and give you more freedom to pick your own flavours and strengths.

Versus larger sub-ohm tanks. Sub-ohm tanks deliver much bigger clouds and warmer vapour, but they use far more liquid and are a different style of vaping entirely. They are not a like-for-like alternative.

In short, the Innokin tank is a good fit if you already use Innokin hardware and like a tight, cigarette-style draw. If you are starting from scratch, a complete kit from any of the big names is the simpler route.