Innokin Jem Pen Starter Kit

The Innokin Jem Pen combines a rechargeable battery, refillable tank and replaceable coils in one compact device. Its built-in 1000mAh battery removes the need to purchase separate batteries, while the fixed 13W output simplifies everyday operation.

One of its main advantages is the all-in-one construction. Instead of carrying a separate tank and battery assembly, users can operate the Jem Pen as a single compact unit.

Its mouth-to-lung airflow is designed for a tighter inhale than higher-powered direct-to-lung devices. This makes the Jem Pen a straightforward option for adult smokers and existing vapers who prefer a restricted draw.

Customers looking for other rechargeable devices can browse the vape starter kits collection for alternative battery capacities, tank designs and operating features.

The Innokin Jem Pen is designed for dedicated JEM replacement coils.

The standard manufacturer package includes a 1.6Ω Kanthal coil and a 2.0Ω ceramic coil. Both are designed for the device's fixed 13W output.

The integrated tank holds 2ml of suitable e-liquid and features a twist-open top-filling design.

1.6Ω Innokin JEM Kanthal Coil

The 1.6Ω Kanthal coil is one of the original heating elements supplied with the Innokin Jem Pen.

It is designed for mouth-to-lung vaping and operates with the device's constant 13W output.

This coil uses compatible wicking material to absorb e-liquid before heating. When the heating element becomes worn, users can replace the coil rather than changing the complete device.

2.0Ω Innokin JEM Ceramic Coil

The 2.0Ω ceramic JEM coil is another compatible option supplied with the original manufacturer kit.

It uses a ceramic-based heating structure and supports lower-powered mouth-to-lung vaping.

The coil is specifically designed for the JEM system and should not be replaced with unrelated ceramic heating elements.

Integrated JEM Tank

The Innokin Jem Pen contains a refillable 2ml tank integrated into its all-in-one construction.

The upper section twists open for refilling, while the viewing window allows users to monitor the remaining e-liquid.

Unlike devices with interchangeable tanks, the Jem Pen is designed around its original integrated tank arrangement.

Are Innokin T18E Coils Compatible?

Innokin Prism T18E coils and dedicated JEM coils belong to different replacement-coil systems.

Customers should not assume that a T18E coil will fit the Jem Pen simply because both devices are manufactured by Innokin.

The Innokin Endura T22 Pro Kit, for example, uses Prism-family coils rather than dedicated JEM replacements.

When Should I Replace a JEM Coil?

A coil may require replacement when vapour production decreases, the heating element develops a persistent burnt taste or normal performance deteriorates.

Before changing the coil, check that the tank contains enough e-liquid and the battery is charged.

Replace worn coils with the correct JEM resistance and prime the new heating element before use.

The Innokin Jem Pen is designed for lower-powered mouth-to-lung vaping and supports suitable nicotine salt and freebase e-liquids.

Balanced 50VG/50PG formulations are commonly used with higher-resistance coils such as the JEM 1.6Ω Kanthal and 2.0Ω ceramic versions.

Users should select a suitable nicotine strength according to their needs and the manufacturer's recommendations.

Adults can browse the nic salt e-liquids collection for compatible formulations and available strengths.

Who Is the Innokin Jem Pen Kit For?

The Innokin Jem Pen is intended for adult smokers and existing vapers who prefer straightforward rechargeable hardware.

Its fixed 13W output and single-button activation reduce setup complexity, while the integrated refillable tank eliminates the need to purchase a separate tank assembly.

Its separately replaceable heating coils provide a traditional maintenance system, allowing users to retain the original device when a coil becomes worn.

Customers comparing another refillable pen-style device can consider the Innokin Endura T18-X Starter Kit, which uses a different Innokin Prism coil system.

• Built-in 1000mAh rechargeable battery.
• Fixed 13W power output.
• Slim 16mm stainless steel body.
• Simple single-button activation.
• Integrated 2ml refillable tank.
• Convenient twist-open top filling.
• Compatible 1.6Ω Kanthal JEM coil.
• Compatible 2.0Ω ceramic JEM coil.
• Separately replaceable heating elements.
• Traditional mouth-to-lung design.
• Transparent e-liquid viewing window.
• Tri-colour LED battery indicator.
• Micro-USB charging.
• Five listed colour options.

• No adjustable wattage.
• No digital display.
• No adjustable airflow control.
• UK tank capacity limited to 2ml.
• Micro-USB rather than USB Type-C.
• Requires dedicated JEM replacement coils.
• Not designed for high-powered DTL vaping.
• Built-in battery cannot be replaced separately.

Device Not Producing Vapour

Check that the battery is charged and the device is switched on. Make sure the JEM coil is correctly installed and that the tank contains enough e-liquid.

Burnt Taste from the Coil

Check the e-liquid level and allow new coils to absorb liquid before use. Replace the heating element if a burnt taste continues.

E-Liquid Leaking

Make sure the top-filling section is securely closed and the tank has not been overfilled. Inspect the seals, coil fitting and body for damage.

Weak Vapour Production

Check the battery charge and remaining e-liquid level. Reduced performance may indicate that the heating coil has become worn and requires replacement.

Device Not Charging

Inspect the Micro-USB cable, charging port and power source. Stop charging if the device becomes unusually hot or shows visible damage.

Firing Button Not Responding

Press the button five times quickly to check whether the device is switched off. Recharge the battery if necessary and inspect for damage.

LED Indicator Not Working

Check whether the battery requires charging. Connect the device to a suitable power source and inspect the charging connection if the light remains inactive.

Tank Difficult to Open

Allow the device to cool before opening the top section. Avoid excessive force and carefully clean any dried e-liquid around the threading.

Gurgling or Spitting

Excess e-liquid may have collected around the coil or mouthpiece. Clean accessible surfaces and check whether the tank has been overfilled.

Coil Not Connecting

Confirm that a dedicated JEM coil is installed correctly. Check the heating element and connection points for dirt, damage or incorrect fitting.

Battery Draining Quickly

Frequent use, longer inhales and battery ageing can reduce operating time. Check charging equipment and battery condition if performance changes noticeably.

E-Liquid Not Absorbing Properly

Check the VG/PG ratio and make sure the tank contains sufficient liquid. Very thick formulations may not wick efficiently in smaller JEM coils.

Device Becoming Too Hot

Stop using the Jem Pen if its body becomes unusually hot. Disconnect charging equipment and allow it to cool safely before checking for damage.

Coil Wearing Out Quickly

Check the liquid formulation, refilling habits and priming process. Very sweet or unsuitable e-liquids may shorten the usable life of the coil.

No Airflow Through the Mouthpiece

Inspect the mouthpiece and airflow openings for debris or collected liquid. Carefully clean accessible areas without damaging the tank or heating element.