Best Big Puff Devices in the UK (Legal Alternatives to Disposables)
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Since disposable vapes were banned in the UK in June 2025, "big puff" devices have become the standard replacement — rechargeable, refillable pod kits designed to offer a similarly high puff count without being thrown away after one use. They're not disposables with a different label; they're a genuinely different product built to be recharged and refilled.
Here's how five of the most established big puff devices actually compare, based on verified specifications rather than marketing copy.
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Lost Mary Nera 30K — up to 30,000 puffs
The highest puff count on this list. The Nera 30K pairs two 2ml prefilled pods with two 10ml auto-refill containers (24ml of e-liquid total), powered by an 800mAh battery with Normal and Turbo output modes. A curved LED display shows battery, puff count and e-liquid level in real time. Nicotine strength is 20mg nic salt, with an MTL draw. This is the pick if you want the fewest pod changes possible.
Hayati Pro Ultra Plus — up to 25,000 puffs
A close second on capacity. The Pro Ultra Plus uses a dual-tank system — a 2ml pod paired with two 10ml refill tanks — and a twist-mouthpiece that switches between two flavours instantly. It runs on an 850mAh battery with mesh coil technology and an LED display, at 20mg nic salt. Worth knowing: Hayati also sells a standard "Pro Ultra" at 15,000 puffs, so double-check which version you're looking at.
Lost Mary BM6000 — up to 6,000 puffs
A more compact option, still around ten times the puff count of a typical banned disposable. The BM6000 combines a 2ml pod with a 10ml refill container (12ml total) on a 1000mAh battery, with a mesh coil and a live battery percentage display. Available in 20mg nic salt, with some flavours also offered at 10mg and 0mg. A solid choice if you want a genuine big puff device without the bulk of a 25,000+ puff kit.
Hayati Pro Max Plus — up to 6,000 puffs
Similar capacity to the BM6000, with its own auto-refill system — a 2ml pod topped up by a 10ml reservoir, on an 850mAh battery with fast USB-C charging (as little as 40–60 minutes from empty). Mesh coil, 20mg nic salt, TPD compliant. A close comparison to the BM6000 in capacity, so the choice largely comes down to flavour range and device feel.
IVG Pro 12 — up to 10,000 puffs
Sits between the compact 6,000-puff devices and the high-capacity 25,000+ options. The IVG Pro 12 uses a 2ml pod and 10ml refill container (12ml total) on a 1000mAh battery, with mesh coil technology and an LED display. Available in 20mg, 10mg and 0mg nicotine strengths — useful if you want flexibility beyond the usual fixed 20mg. A strong middle-ground option if 6,000 puffs feels too low but 25,000+ feels like overkill.
How to choose between them
Puff count isn't the only thing worth weighing up:
- Higher puff count generally means a bulkier device. The 25,000–30,000 puff kits are noticeably larger than the 6,000-puff options — worth trying to picture in your pocket, not just on a spec sheet.
- Battery capacity varies more than puff count implies. An 800–850mAh battery on a 30,000-puff device charges more often relative to its capacity than a 1000mAh battery on a 6,000–10,000 puff device — check charging frequency if that matters to you.
- Nicotine strength options differ. Some devices (like the IVG Pro 12 and Lost Mary BM6000) offer 10mg and 0mg alongside the standard 20mg; others are fixed at 20mg only.
