Description
SMOK V8 X-Baby X4 Coils: 0.13 Ohm Quadruple Coil
The SMOK V8 X-Baby X4 coil is a 0.13Ω quadruple-coil core for the TFV8 X-Baby tank. SMOK describes a cool and silky taste and rates it 30–70W, best at 45–60W. It’s the lowest resistance of the X-Baby coils we carry.
Watch the name. SMOK also makes a V8 Baby X4, which is 0.15Ω and fits the TFV8 Baby family – not the X-Baby. The two look alike on the shelf and the box, so check for ‘X-Baby’ and 0.13Ω before you open the pack.

🔌 SMOK V8 X-Baby X4 0.13 Ohm Coil
✔ Four coils in one head
✔ 0.13Ω resistance
✔ SMOK: 30–70W, best 45–60W
✔ Cool, smooth vape
✔ TFV8 X-Baby tank only
✔ Not the 0.15Ω V8 Baby X4
X-Baby X4 vs V8 Baby X4
Same build name, different coil, different tank.
| V8 X-Baby X4 (this page) | V8 Baby X4 | |
|---|---|---|
| Resistance | 0.13Ω | 0.15Ω |
| SMOK range | 30–70W, best 45–60W | 30–70W, best 45–60W |
| Tank | TFV8 X-Baby | TFV8 Baby, Big Baby, TFV12 Baby Prince |
Which Tank Takes the X-Baby X4?
SMOK’s compatibility table lists the V8 X-Baby coil series – the Q2, X4, T6, M2 and RBA – for one product: the TFV8 X-Baby tank. No other SMOK tank or kit appears against these coils.
For a warmer vape in the same tank, the SMOK V8 X-Baby Q2 is the alternative. Both are for owners – we don’t currently sell the X-Baby tank.
Will not fit: any TFV8 Baby, Big Baby or TFV12 Baby Prince (those take V8 Baby cores), the TFV8 Baby V2 / TFV Mini V2, or the full-size TFV8.

How to Fit and Prime an X-Baby X4
- Drain the X-Baby, take it off the mod and unscrew the base.
- Unscrew the used X4 and check the new box says X-Baby.
- Wet all four coils’ cotton through the side holes.
- Screw the head in, rebuild and fill.
- Leave five minutes; start at 40W.
How Long Does an X-Baby X4 Coil Last?
Four coils share the load at a modest 45–60W, so the X4 usually holds its flavour well for a week or more. It will go sooner if you run it at 70W or use very sweet liquids. SMOK gives no figure.
X-Baby X4 Troubleshooting
| Problem | Likely cause and fix |
|---|---|
| Wrong X4 in the box | V8 Baby X4 is 0.15Ω for the TFV8 Baby. The X-Baby X4 is 0.13Ω. |
| Mod warns low resistance | Your mod must fire down to 0.13Ω. |
| Lukewarm vape | That’s the X4’s character. For warmer, try the Q2. |
| Leaking | Coil not tight in the base. |
Best E-Liquids for the X-Baby X4
A high-VG freebase at 3mg suits a 0.13Ω coil: our shortfill e-liquids with a nicotine shot are the usual pairing. Our old copy suggested 70% VG and above, which is sensible but not a SMOK instruction.
Buy V8 X-Baby X4 Coils Near You
Need X-Baby X4 coils today? Our Totton vape shop, Hythe vape shop and Holbury vape shop stock replacement pods, coils and kits, and the team can check which resistance suits your device and e-liquid. We’ll check you have the X-Baby, not the V8 Baby. Stock varies by store, so give us a call before you travel. Ordering online instead? See our delivery options.
You May Also Like
- SMOK V8 X-Baby Q2 Coils
- SMOK V8 Baby Mesh Coils
- SMOK TFV Mini V2 S2 Coils
- Shortfill E-Liquids
- All SMOK Products
Frequently Asked Questions
Do V8 X-Baby coils fit the TFV8 Baby?
No. SMOK lists X-Baby coils for the TFV8 X-Baby tank only.
What wattage for the X-Baby X4?
SMOK rates it 30–70W, best 45–60W.
What is the difference between X-Baby X4 and V8 Baby X4?
The X-Baby X4 is 0.13Ω for the X-Baby tank; the V8 Baby X4 is 0.15Ω for the TFV8 Baby family.








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