How to Read a Disposable Vape Spec Sheet (Every Field Explained)

A spec sheet is the only part of a disposable vape listing you can actually check. Marketing copy describes flavours and finishes; the spec sheet tells you how much liquid is inside, how large the cell is, and what the heating element is rated at. Two devices both sold as “high capacity” can differ by a factor of five once you read the numbers instead of the adjectives.

The difficulty is that spec sheets are not standardised. One manufacturer lists e-liquid capacity, another leaves it out. Puff count is measured on a machine under conditions no person replicates. Pack quantities are quoted per box while prices are quoted per unit. This guide walks through each field that appears on a typical disposable vape spec sheet, what it genuinely measures, and which combinations should make you slow down.

The examples below use published figures from the BANG and QQBANG ranges so the arithmetic is concrete, but the reading method applies to any brand. Where a field is missing from a listing, treat the claims built on top of it as unverified.

Puff Count: Test Conditions vs Real-World Numbers

Puff count is the headline number and the least standardised field on the sheet. It is normally produced by a machine that draws for a fixed duration — commonly around three seconds — at a fixed interval. Change the draw length and the total changes: a four-second draw consumes roughly a third more liquid per puff than a three-second draw, which mechanically reduces how many puffs you get from the same tank.

In everyday use, expect something below the printed maximum. A working assumption that holds up reasonably well is that real-world output lands somewhere around 60–70% of the stated figure, depending on how long and how hard you draw, and on whether the battery is kept charged. Treat the printed number as a ceiling for comparison rather than as a forecast.

That comparison value is still worth having. If two units are measured on comparable machine cycles, 36,000 versus 60,000 describes a real difference in capacity even if neither figure is literally reachable. For a longer explanation of how these ratings are derived, see our guide to understanding puff count ratings.

Battery Capacity (mAh) and Whether It Recharges

mAh is the charge capacity of the cell. It is not directly a runtime figure, because runtime also depends on coil resistance and how much power the device actually draws.

On disposable vapes this field now splits into two categories. Non-rechargeable units are sized so the cell outlasts the liquid and is then discarded with it. Rechargeable units carry a USB Type-C port and a smaller cell, because it is topped up repeatedly. Across the ranges documented here, rechargeable units run from 550 mAh (BANG Blaze 140K) to 1,500 mAh (QQBANG 500K), with 600, 650 and 850 mAh the most common values.

The practical check: if a unit claims a very high puff count but lists a small non-rechargeable cell, the battery is unlikely to outlast the liquid and the puff rating will not be reached. Where the sheet says “rechargeable”, confirm the port type as well — Type-C is now effectively universal, but a sheet that gives capacity without stating rechargeability is incomplete.

E-Liquid Capacity (ml) and How It Converts to Puffs

E-liquid capacity is the most useful cross-check on puff count, and the field most often left blank.

The arithmetic is straightforward. Divide total millilitres by claimed puffs to get millilitres per puff, then sanity-check it. A 25 ml unit rated at 30,000 puffs implies roughly 0.00083 ml per puff. A 36 ml unit rated at 36,000 implies 0.001 ml per puff. Both sit in a plausible band. If a listing claims 100,000 puffs from 10 ml, the implied per-puff consumption is implausibly low, and the puff figure is marketing rather than measurement.

Watch for multi-chamber designs. The BANG King 250K lists “15 ml × 4”, meaning four separate chambers rather than 60 ml in a single reservoir — a design detail that changes how the device is used and how evenly the liquid is consumed. Mid-range units in the 30,000–100,000 puff category are where capacity figures are most often published, which makes them the easiest group to compare this way.

Coil Resistance (ohm) and Power Output

Resistance, printed as Ω or “ohm”, is the electrical resistance of the heating element. Lower resistance generally means more power at a given battery voltage, producing warmer and denser vapour while consuming liquid faster. Higher resistance is more conservative on both counts.

Values in the current ranges sit between 0.5 Ω (BANG 32K, QQBANG 500K) and 1.2 Ω (several BANG Blaze and BANG King models), with 1.0 Ω the most common middle setting. A 0.5 Ω unit runs noticeably warmer than a 1.2 Ω unit from the same family.

Resistance is also where the word “mesh” shows up. Mesh describes the physical form of the element — a flat mesh strip rather than a round wire — and it normally appears alongside a resistance value rather than instead of one. A sheet that says “mesh” with no resistance figure gives you less information than one that states both.

Dimensions, Weight and Portability

Size and weight are the fields buyers skip and then notice later. Unit weight across the documented range runs from 50 g (BANG 5K) to 146.4 g (BANG Blaze 200K) — the difference between something that disappears into a pocket and something you carry deliberately.

Weight correlates with capacity but not cleanly. The BANG King 250K is 130 g while the BANG Blaze 200K is 146.4 g, because chamber layout and housing material differ. If the sheet gives weight but not dimensions, weight alone is a reasonable proxy for pocketability.

Weight has a second use: it drives freight. For bulk orders, per-unit weight multiplied by carton quantity determines shipping cost per unit, and it is the number most often missing from a wholesale quote.

Pack Units: Pieces, Boxes and Cartons

The last field is not about the device at all, but it decides unit economics. A typical structure is single units, an inner display box (commonly 5 or 10 units), and an outer carton holding several boxes.

Prices are frequently quoted per unit while quantities are quoted per box, and that mismatch is a common source of ordering errors. Always convert to a per-unit figure before comparing: a lower per-box price on a box of 5 is not cheaper than a higher per-box price on a box of 10.

Confirm pack quantity, minimum order quantity, and whether the quoted price is per unit or per box. Our disposable vape buying checklist covers these fields alongside the device specs above.

FAQ

Why do two devices with the same puff rating feel different?

Because puff count is measured under fixed machine conditions and says nothing about vapour density, coil resistance or airflow. Two 30,000-puff units with different resistance values consume liquid at different rates and feel different in use. Compare resistance and e-liquid capacity alongside the puff figure.

Is a higher mAh battery always better?

Not necessarily. On a rechargeable device, mAh affects how long you go between charges rather than total lifespan — a 550 mAh unit topped up daily and a 1,500 mAh unit topped up weekly can both outlast their liquid. On a non-rechargeable device, mAh is closer to a hard ceiling.

What is a realistic way to compare puff counts between brands?

Use them as a ranking rather than an absolute. If both brands test on a similar machine cycle, the ratio between them is meaningful even when the absolute numbers are optimistic. Cross-check against e-liquid capacity, since more liquid genuinely does support more puffs.

What should I do if a spec sheet omits e-liquid capacity?

Treat the puff count as unverified. Without capacity there is no way to check whether the claimed figure is physically plausible. Record the model number and SKU in that case, because the same model often appears on other listings with fuller specifications.

Does resistance tell me anything about flavour?

Only indirectly. Lower resistance generally runs warmer, which changes how a flavour reads, and higher resistance runs cooler. Resistance says nothing about flavour formulation or concentration — those are separate fields and are rarely published.

18+ only. Specifications vary by production batch; confirm current figures on the product page before you commit to a quantity.

Related guides

• The full puff count comparison of all 58 models