Innokin Endura T20S Prism Vape Tank - 2ml

The people at Innokin have a long and proud legacy of designing the best vaping equipment on the market for beginners. If you’re still learning how to vape or haven’t made the switch yet and are still researching, you know that a vape tank that you can fill yourself will always give you the best possible experience because using a refillable tank makes it possible for you to buy your e-liquid by the bottle instead of buying pre-filled cartridges or pods. If you’re new to vaping, though, you might have looked at some of the tanks currently on the market and decided that they look a bit too large and complex for a beginner. With the Innokin Endura T20S, there’s no need to worry. This vape tank is designed for you.

The Innokin Endura T20S tank is a small vape tank that will fit on most vape pens with no overhang. It includes two atomizer coils, so you can try them both and see which one provides the vaping experience you want. The 1.5-ohm coil operates at 13-14 watts and provides cooler vapour clouds with a more refined flavour. If you’re craving bigger clouds and bolder flavours, try the 0.8-ohm coil, which operates at 16-18 watts and offers truly impressive vapour production.

Compatible with Innokin Prism T20S coils.

 Features:

  • Designed for a Mouth to Lung (MTL) Vaping Experience
  • Dimensions: 2" x 3/4" (Including Drip Tip and Threads)
  • 20.5mm Diameter
  • 510 Threaded
  • 2.0ml e-Liquid Capacity
  • Top Fill Design with Twist Off Cap
  • Dual Airflow Holes
  • Prism Airflow Technology
  • Includes (1) Endura Prism S Kanthal 0.8ohm Atomizer Head (16 - 18W)
  • Includes (1) Endura Prism S Kanthal 1.5ohm Atomizer Head (13 - 14W)
  • Includes Narrow Drip Tip Top Cap
Innokin Prism T20S Guide

Simple MTL Vaping with a Choice of Two Coils

The Innokin T20S is a compact 2ml mouth-to-lung tank built around the Prism S coil system. Its straightforward top filling, fixed MTL airflow and relatively low power requirements make it an easy tank to live with, whether you're putting together a simple vape pen setup or pairing it with a small adjustable-wattage mod.

One of the T20S's main advantages over the original T20 is its choice of two coil resistances. The 1.5Ω option provides a cooler, lower-powered vape, while the 0.8Ω coil increases the warmth and vapour production without turning the T20S into a full-blown sub-ohm cloud tank.

Designed for MTL Vaping

The T20S is built around a mouth-to-lung inhale, with a relatively tight draw that suits users who prefer modest vapour production and a more cigarette-like vaping style.

Two Prism S Coil Options

Choose between a 1.5Ω coil for a cooler 13-14W vape or a 0.8Ω coil for a warmer 16-18W experience with a little more vapour.

Easy Top Filling

The 2ml tank fills from the top, so there's no need to remove it from your device whenever you need to add e-liquid. Unscrew the top cap, refill and replace the cap securely.

Standard 510 Connection

The T20S uses a conventional 510 thread, allowing it to work with many compact vape pens and regulated mods rather than limiting it to a single Innokin battery.

Which Coils Does the Innokin T20S Use?

The T20S uses Innokin Prism S coils, which are available in 0.8Ω and 1.5Ω resistances. Both are intended primarily for MTL vaping, but they provide noticeably different experiences.

Prism S Coil Wattage Vape Style Best For
0.8Ω 16-18W MTL Warmer vapour, stronger flavour and slightly greater vapour production
1.5Ω 13-14W MTL Cooler vapour, lower power consumption and a more restrained vape

Replacement coils are available separately in packs of five. Shop Innokin Prism S replacement coils.

Important: The T20S uses Prism S coils. These are different from the 1.5Ω Prism T20 coils used by the original Innokin T20 tank. The T20 and T20S coil systems are not interchangeable.

0.8Ω vs 1.5Ω T20S Coils

Choose 0.8Ω for a Warmer Vape

The 0.8Ω Prism S coil runs at 16-18W. That extra power produces warmer vapour and a little more of it, making this the better option if you want the T20S to feel somewhat punchier while retaining its MTL character.

Choose 1.5Ω for a Cooler Vape

The 1.5Ω coil operates at just 13-14W and provides a cooler, more restrained experience. Its lower power requirement can also help your battery last longer between charges.

Neither choice is inherently better. If you're unsure, the advantage of the T20S is that you can try both and decide whether you prefer the warmer 0.8Ω setup or the gentler 1.5Ω option.

What E-Liquid Should You Use in the T20S?

The Prism S coil system is best matched with relatively thin e-liquids designed for lower-powered MTL devices. A 50VG/50PG vape juice is an excellent general-purpose choice for both coil resistances.

50/50 Freebase E-Liquid

Traditional 50/50 e-liquid works well with both Prism S coils and gives you a wide range of nicotine strengths and flavours to choose from.

Nic Salts

Nic salts are also well suited to the T20S because its MTL draw and relatively modest vapour output work comfortably with the nicotine strengths commonly found in salt-based e-liquids.

Thick high-VG shortfills are generally better suited to higher-powered sub-ohm tanks. For reliable wicking in the T20S, 50/50 e-liquid is the safer choice.

How to Fill the Innokin T20S Tank

1. Remove the Top Cap

Keep the tank upright and unscrew the top cap to expose the filling area.

2. Add Your E-Liquid

Fill through the opening at the side, avoiding the central airflow chimney. The UK tank holds up to 2ml of e-liquid.

3. Replace the Cap

Screw the top cap back into place securely before using the tank.

4. Prime a Fresh Coil

If you've just installed a new Prism S coil, leave the filled tank standing for several minutes before vaping so the wick has time to absorb the liquid.

How to Change a T20S Coil

The Prism S system uses a convenient push-fit coil design. Remove the tank from your device, access the coil from the base and pull the used coil out. Push the replacement firmly into position, reassemble the tank and refill it with e-liquid.

Using a new coil? Give it several minutes to soak after filling the tank. Firing the coil while the wick is still dry can scorch the cotton and cause a persistent burnt taste.

Who Is the Innokin T20S Tank For?

The T20S is a good fit for anyone who wants a conventional refillable tank without the size, airflow or complexity of modern sub-ohm hardware. Its compact 20.5mm diameter works particularly well on smaller devices, while the standard 510 connection gives you plenty of freedom when choosing a compatible battery or mod.

It also makes sense for vapers who enjoy MTL vaping but want more flexibility than the original T20 offers. Having both 0.8Ω and 1.5Ω Prism S coils available lets you adjust the warmth and vapour production without changing tanks.

If your priority is large clouds and an open direct-to-lung inhale, though, the T20S isn't designed for that job. It's firmly an MTL tank focused on flavour, simplicity and moderate vapour production.

Innokin T20S Tank FAQs

What coils does the Innokin T20S use?

The T20S uses Innokin Prism S coils. You can choose a 0.8Ω coil rated for 16-18W or a 1.5Ω coil rated for 13-14W.

Are T20 and T20S coils the same?

No. The original T20 uses a different Prism T20 coil. The T20S requires Prism S coils, so the two coil systems should not be confused despite the very similar tank names.

Which T20S coil should I choose?

Choose the 0.8Ω Prism S coil if you prefer warmer vapour and slightly greater vapour production. Choose the 1.5Ω coil for a cooler, lower-powered MTL vape.

Is the Innokin T20S an MTL tank?

Yes. The T20S is designed primarily for mouth-to-lung vaping, with a tighter draw and substantially less vapour production than a typical sub-ohm DTL tank.

What e-liquid is best for the Innokin T20S?

A 50VG/50PG e-liquid is an excellent choice. Both conventional freebase vape juice and nic salts can work well with the T20S and its Prism S coils.

What capacity is the Innokin T20S tank?

The UK version has a 2ml e-liquid capacity.

Can the T20S be used on other vape mods?

Yes. The tank has a standard 510 connection and can be used with compatible regulated mods and vape batteries that support the relatively low wattages required by its Prism S coils.