Prefilled vs Refillable Pod Kits: Which Is Right for You?
The core difference: a prefilled pod kit uses sealed, disposable pods pre-loaded with e-liquid by the manufacturer, while a refillable pod kit uses open, reusable pods you fill yourself with any e-liquid you choose. Both systems use the same fundamental pod-and-battery form factor but serve different priorities.

Prefilled pods are thrown away when empty, whereas refillable pods can be topped up with your own e-liquid.
How Prefilled Pod Kits Work
You buy sealed replacement pods — sometimes called cartridges — that click into the battery section of your device. When the liquid runs out, you remove the pod and click in a new one. No mess, no measuring, no filling. Common examples include the OXVA Slim Stick cartridges, Elfbar ELFA Pro pods, and MyBlu pods.
Advantages of Prefilled Systems
- Zero mess — no filling, no spills, no drips
- Consistent quality — every pod is sealed and calibrated by the manufacturer
- Maximum convenience — carry spare pods in a pocket, swap in seconds
- Ideal for new vapers — no knowledge of ratios, strengths or coil compatibility required
Disadvantages of Prefilled Systems
- Higher ongoing cost — pods cost more per ml than buying bottled e-liquid
- Restricted flavour choice — you are limited to flavours the manufacturer produces for your specific device
- Device lock-in — pods from brand A do not fit device from brand B
- More plastic waste — each pod is single-use
How Refillable Pod Kits Work
Refillable pods have a small fill port — usually a silicone plug or side-fill slot — that you open to pour in your chosen e-liquid. The pod contains an integrated coil (or accepts a separate replaceable coil, depending on the device). You refill the same pod repeatedly until the coil degrades, then replace just the pod or coil. Common examples include the Uwell Caliburn series, VooPoo VINCI, and the IVG Nexio.
Advantages of Refillable Systems
- Lower cost per ml — 10ml nic salt bottles give far more liquid per pound than prefilled pods
- Unlimited flavour choice — any compatible 50/50 e-liquid works in any refillable pod kit
- Less plastic waste — pods are reused multiple times
- More control — choose your exact nicotine strength and flavour profile
Disadvantages of Refillable Systems
- More effort — you need to keep e-liquid in stock and refill when empty
- Requires some knowledge — you need to choose a compatible e-liquid ratio and nicotine type
- Occasional maintenance — pods and coils need periodic replacement when performance drops
What E-Liquid Do Refillable Pod Kits Use?
Market Trend: As highlighted in our disposable vape market trends and retail data, British consumers are rapidly shifting toward reusable prefilled pod kits for superior environmental sustainability and up to 65% annual cost savings.
Virtually all refillable pod kits are designed for 50VG/50PG e-liquids. The balanced ratio wicks efficiently through the narrow ports of a pod coil. Using High VG shortfills in a refillable pod kit will cause flooding, gurgling and rapid coil burnout. See our guide on Nicotine Salts vs Freebase to choose the right strength for your refillable pod kit.
Cost Comparison (Rough UK Example)
| System | Approximate Cost per ml of E-Liquid |
|---|---|
| Prefilled pods | £0.80–£1.50 per ml |
| Refillable + 10ml nic salt | £0.25–£0.50 per ml |
Over the course of a year, a refillable pod kit user who goes through 10ml per week will save significantly compared to a prefilled user with identical usage. The device itself costs more upfront but pays back quickly.
Which Is Right for You?
Choose prefilled if you want simplicity above all else, are brand new to vaping, or frequently forget to carry e-liquid. Browse our prefilled pod range.
Choose refillable if you vape regularly, want to save money over time, and enjoy choosing your own flavours from a wider selection. Browse our refillable pod kits and pair with nicotine salt e-liquids.