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PockeX

How to use the Aspire PockeX: coils, filling and the one button

3 min readUpdated 3 Oct 2026By the Spectrum Vaping team

Unscrew the top, fill to the max line, screw it back and press the button. The PockeX is a pen-style all-in-one, and the coil comes out with the top cap, which makes coil changes cleaner than on almost any other tank.

The short version

  • Unscrewing the top removes both the cap and the coil for filling and swapping.
  • Two 0.6 ohm coils come in the box; a 1.2 ohm MTL coil is sold separately.
  • Use 60 to 70% VG with the 0.6 ohm coil and 50% PG or higher with the others.
  • The single button fires and locks the device; an LED shows battery life.

What comes in the box

The Aspire PockeX all-in-one starter kit contains the device, two Aspire PockeX 0.6 ohm coils (one pre-installed), a USB-C cable, a user manual and a warranty manual.

The PockeX combines a 2ml tank and a 1500mAh battery in one pen-shaped body, 12cm long and 87g. The listing gives an 18 to 23W output range, which matches the included 0.6 ohm coil.

One detail to check: most colours charge via USB-C, but the Rose Gold and Pink Gradient kits are listed as Micro-USB, so match your cable to your colour.

1500mAhBuilt-in battery
2mlTank capacity
18 to 23WOutput range
20.6 ohm coils included

Filling the tank

The PockeX is top filling. Unscrewing the top of the tank removes both the cap and the coil in one go, leaving the tank open for filling. Aspire calls this a no-spill coil swap system, and it is genuinely tidy.

Fill to the max line printed on the device. Going over it is the classic cause of leaks, and staying near it keeps the coil saturated.

With a brand new coil, put a few drops of liquid directly onto the cotton through the coil's holes before screwing the top back on, then leave it to stand for five minutes before the first puff.

Filling the PockeX
  1. Unscrew the topThe cap and coil come out together.
  2. Prime a new coilA few drops onto the exposed cotton.
  3. Fill to the max lineNever above it.
  4. Screw the top back onFirmly, but do not overtighten.
  5. Wait five minutesThen press the button and vape.

Coils and their power ratings

You can use the dedicated PockeX coils in 0.6 ohm (included) or 1.2 ohm (sold separately). The listing also confirms the Aspire Nautilus X coils fit, in 1.5 ohm, 1.8 ohm and a 0.7 ohm mesh.

The PockeX coil page gives the ratings: 0.6 ohm at 18 to 23W for larger clouds and 1.2 ohm at 8 to 12W for discreet MTL vaping.

Changing a coil is the same as filling: unscrew the top, pull the old coil off the cap, push a new one on, prime it, and refit.

PockeX coil choice
0.6 ohm PockeX1.2 ohm PockeX
Rated power18 to 23W8 to 12W
VapourLarger cloudsDiscreet
E-liquid60 to 70% VG50% PG or higher
In the boxYes, twoSold separately

Matching your e-liquid

Aspire recommends 60% or 70% VG with the 0.6 ohm coils, and high PG or 50% PG e-liquid with the other coils.

The 0.6 ohm coil is a sub ohm coil. The listing advises staying at 6mg nicotine or below when sub ohm vaping, because the larger vapour volume makes higher strengths harsh. A 70% VG liquid at 3mg or 6mg is a good match.

With the 1.2 ohm coil, you can use a nic salt or 50/50 at higher strengths for a tight MTL hit. Nicotine is addictive whichever coil you choose.

Liquid by coil

0.6 ohm: 70/30

70% VG30% PG

Sub ohm; 6mg or below.

1.2 ohm: 50/50

50% VG50% PG

MTL; nic salts work well.

The button, battery and three common problems

The single button on the front both fires and locks the device; there are no menus. The inbuilt LED acts as a battery life indicator, and a full day of vaping between charges is typical.

  • Leaking: overfilling past the max line, or thin liquid in the 0.6 ohm coil. Fill to the line and use higher VG.
  • Burnt taste: a new coil not primed, or an old coil finished. Prime properly and replace when it browns.
  • Will not fire: it is locked. Use the button sequence in the manual to unlock it.
PockeX troubleshooter

What is the PockeX doing?

Who the PockeX suits

The PockeX suits vapers who want a proper tank with replaceable coils in the simplest possible form: one button, no screen, a pen shape that slips into a pocket. It is one of the best-known starter kits worldwide and makes a reliable backup for experienced vapers too.

If you want an MTL pen without sub ohm coils, the Innokin Endura T18E runs a fixed 14W with 1.5 ohm coils. For variable wattage and a bigger battery, step up to the Aspire Zelos 3.

Either way, coils are cheap and easy to find.

PockeX kit and coils

Quick answers

How do you fill the Aspire PockeX?

Unscrew the top, which removes the cap and coil together, then fill to the max line and screw it back on.

What coils does the PockeX use?

Aspire PockeX coils in 0.6 ohm and 1.2 ohm, plus Aspire Nautilus X coils in 1.5, 1.8 and 0.7 ohm mesh.

What e-liquid should I use in the PockeX?

60 to 70% VG with the 0.6 ohm coil, and 50% PG or higher with the other coils.

How do you lock the Aspire PockeX?

The single front button both fires and locks the device; the manual shows the sequence.

Read nextHow to use the Innokin Endura T18E: the classic MTL pen, explainedTwist the top, fill the tank, press the single button and vape. The T18E runs a fixed 14W through a 1.5 ohm coil, which is why…

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