Which Vape Coil Do I Need? How to Find the Right One for Your Kit

"I need a coil for my vape" is the single most common thing we hear across the counter in both our Northampton shops. It's also the hardest to answer without seeing the device, because there are hundreds of coil types and almost none of them are interchangeable.

This guide gets you to the right coil without guesswork.

Coils are not universal

Start here, because it's the mistake that costs people money: a coil that physically fits your tank is not necessarily the right coil. Threading is often shared between brands, so a wrong coil can screw in happily and still leak, taste burnt or not fire at all.

Coils are designed for a specific tank or pod family. A Freemax 904L M coil fits Freemax M Pro tanks and nothing else. An Aspire Nautilus BVC fits Nautilus tanks. Buying by "it looks the same" is how you end up with a drawer of useless coils.

The three things you need to know

To buy the right coil you need three pieces of information:

1. The brand and model of your device or tank — for example "Vaporesso Luxe X" or "Aspire Nautilus 2".

2. The coil series it takes — often a short code like GTX, BVC, 904L M or X Series.

3. The resistance in ohms — the number printed on the coil, like 0.6Ω or 1.2Ω.

Get those three and you can order with confidence.

How to find them on your kit

If you don't know your device model, here's where to look:

• On the device itself. Most kits have the model name printed on the side, base or under the pod.

• On the old coil. Take the used coil out and look at it. The series and resistance are almost always printed on the side of the metal body — this is the single most reliable method.

• On the box. If you still have the packaging, everything you need is on it.

• In the manual. The replacement coil type is usually listed in the specifications.

If all else fails, bring the device into one of our shops. We'd genuinely rather spend two minutes matching it than have you order the wrong thing online.

What the ohm number actually means

The Ω figure is electrical resistance, and it decides how your vape feels.

• Above 1.0Ω — higher resistance, lower power, tighter draw. This is MTL (mouth to lung) vaping, closest to a cigarette. Best with nic salts and higher nicotine strengths.

• Below 1.0Ω — sub-ohm. Lower resistance, more power, more vapour, looser airy draw. Best with high-VG shortfills and lower nicotine.

Fitting a 0.2Ω coil to a small pod kit designed for 1.0Ω coils won't work well and can drain your battery in an afternoon. Our full explainer on coil resistance and ohms goes deeper, and what sub-ohm vaping is covers whether it's right for you.

The important point: most kits accept several resistances within the same coil family. A Vaporesso GTX coil comes in everything from 0.15Ω to 1.2Ω — same fitting, very different experience. Choosing among them is about vaping style, not compatibility.

Coil or pod — check which you're buying

Some devices use a replaceable coil inside a reusable pod. Others build the coil permanently into the pod, so you replace the whole unit.

Look at the bottom of your pod. If something unscrews or pulls out, you buy coils. If it's sealed, you buy pods. Buying the wrong category is a common and frustrating mistake, and the two often sit on adjacent shelves.

Popular coil families we stock

If you recognise your kit here, this will shortcut things:

• **Vaporesso GTX coils** — fits Luxe X, Luxe XR, Luxe XR Max, Gen PT80 S, GTX GO and the Target series. One of the most cross-compatible ranges going.

• **Aspire coils** — Nautilus BVC, Nautilus X, Cleito, PockeX, Tigon, Atlantis and BP.

• **Freemax coils** — 904L X Series for Fireluke tanks, 904L M Series for M Pro tanks.

• **OBS pods, Joyetech pods, Voopoo pods and Vaporesso pods** for pod-based kits.

• **Prefilled pods** if your device takes ready-filled pods.

Browse all coils and pods if your brand isn't listed.

Before you order, check these

A quick checklist that prevents almost every wrong purchase:

1. Match the series exactly. "Vaporesso" isn't enough — GT and GTX are different families that do not interchange.

2. Check the pack size. Coils are sold in packs of three or five. Make sure you're comparing like with like on price.

3. Pick a resistance that suits your liquid. Nic salts want higher resistance; high-VG shortfills want lower. PG vs VG explained covers this.

4. Stay within your device's wattage. A coil rated 45–60W is no use on a kit that maxes out at 30W.

5. Buy a spare pack. Coils don't spoil, and running out mid-week is miserable.

Frequently asked questions

Can I use any coil in any tank? No. Coils are specific to a tank or pod family. Some will screw in and still perform badly, so matching the series matters more than whether it physically fits.

What happens if I use the wrong ohm coil? If it's within your device's range, it simply changes the draw and vapour. If it's outside that range, expect poor flavour, rapid battery drain, or the device refusing to fire.

How do I know what coil I currently have? Take the old one out and read the side. The series and resistance are printed on the metal body.

Are cheaper unbranded coils worth it? We don't stock them. Counterfeit coils are common, perform inconsistently and occasionally fail in ways you don't want next to a battery. Genuine coils are worth the difference.

How often will I need to replace it? Usually every one to two weeks. Our guide on how long a vape coil lasts covers the signs to watch for.

Still not sure?

Bring the device in. Our Duston and Kingsthorpe shops are open seven days a week, and matching a coil takes under a minute with the kit in hand. If you'd rather order online, our delivery options include same-day courier across Northampton.

Vaping products are for adults aged 18 and over.