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Descripción

What five days with this one told me before I wrote a word

I have carried the VOPK Ultra 40K for five days now, which is long enough to stop noticing the screen and long enough to notice the one thing the shop’s own copy does not spell out: you are buying two separate 18 ml chambers in one body, not one tank with a flavour dial. That distinction is the whole product, and it is also where four different shops describe a different device from the one in our listing.

So this page does four things. It shows you what the large side screen actually reports, it converts the manufacturer’s 40,000 puff figure into a draw count you can check with a calculator, it puts our row’s figures next to the same-named revision that carries a bigger battery and different coils, and it lists the figures our own sheet does not contain rather than filling them in from somebody else’s page.

How the left/right switch works and what the screen really tells you

The switch, and why the two sides never mix

Our listing describes the change method plainly: a slide switch at the bottom, left for one flavour and right for the other. Inside, the 36 ml is divided into two halves of 18 ml, and each half has its own mesh coil. VOPK’s own wording for the heating structure is a mesh coil with a double heating wire, which is a different arrangement from the four-coil build that other listings attribute to this name.

Because the chambers are separate, the flavours do not blend while you are on one side. Moving the switch sends you to the other chamber’s coil, and the transition is immediate rather than gradual. What you cannot do is vape both sides at once.

What the display reports

The shop’s own description names exactly two readings and no others: the battery charge, and the liquid level for both sides. The screen is a large side panel, so the two readouts sit together rather than on two separate displays. Our listing calls it an oil and battery dual display, and its body text adds that it shows the level for both sides, which is the detail that matters – you can see which chamber is running down before you switch to it.

Treat both figures as indicators rather than instruments. The shop does not state whether the liquid reading is measured or estimated, and while several competitor pages print a puff number on a product screenshot, none of them documents it as a counter and our own listing never mentions one.

Reading on the screen What the shop documents What is not documented
Battery charge Named as one of the two readings; the cell is 650 mAh, battery model 16350 Whether the figure is a percentage or a bar, and whether it is calibrated
Liquid on the left side Named as a reading; left chamber holds 18 ml The unit it is shown in, and the accuracy of the reading
Liquid on the right side Named as a reading; right chamber holds 18 ml Whether the two readings are resolved separately or share one scale
Cuenta de caladas Not mentioned anywhere in our listing Our sheet does not claim a counter, so we do not describe one

The published figures, and what each one actually changes for you

Read the third column first if you are comparing listings

Everything in the first column below comes from our own product sheet. The second column is the part a listing usually omits: what the number does to your week. The third column is the part almost every listing omits on purpose – the figures our sheet does not carry at all.

What our listing states What that changes for you Where our sheet is silent
Puff count: up to 40,000 puffs A manufacturer figure, not a promise. The liquid, not the rating, sets your real total The draw length and draw style the figure was measured at
Liquid: 36 ml, two sides of 18 ml Two flavours available at any moment; the side you are not drawing from stays sealed Nothing – this is the figure the rest of the page is built on
Battery: 650 mAh, battery model 16350 A rechargeable cell, so a day of heavy use costs you a cable rather than a new device Charge time from empty, and the number of full cycles the cell is rated for
Charging: Type-C The cable you already own for everything else; no proprietary connector The accepted input current
Coil: mesh coil with double heating wire Two heating elements across the two chambers, each feeding one flavour Resistance in ohms is not stated in our listing at all. We will not borrow a figure from another shop’s page
Flavour format: double flavour, left and right switch Ten combinations to choose between, each one a fixed pair Nothing – the pairs are listed in full further down
Display: large side screen, oil and battery dual display You stop guessing which chamber is nearly finished Whether the liquid figure is measured or estimated
Technology: child lock, left/right switch, UV printing The lock keeps the switch from travelling in a pocket; UV printing is the finish on the body The exact lock gesture, which varies by production batch
Nicotine strength Carried on our own variation selector at 2%, and it reads 2% on every variation of this row. The strength is fixed per unit, so read it off the selector before you order Whether this row is ever offered at any other value. Our selector lists one figure only
Packaging: 10 pcs per medium box, 160 pcs per carton One shelf unit is ten devices; a full carton is sixteen of those What is inside a single retail box besides the device

How many draws 36 ml really buys

The 40,000 figure is a machine reading. Divide 36 ml by 40,000 and you get 0.0009 ml per draw, which is roughly a third of what independent puff measurements record for a normal human draw – the published topography work sits at about 0.002 to 0.003 ml per puff. So the honest way to plan is to start from the liquid you actually have and multiply, rather than to discount the headline by a percentage somebody invented.

Draw style Liquid used per draw Draws from 36 ml What that means in practice
Short mouth-to-lung draw 200 to 300 draws per ml 7,200 to 10,800 Around 72 to 108 days at 100 draws a day
Long open draw 65 to 150 draws per ml 2,340 to 5,400 Around 23 to 54 days at 100 draws a day
The 40,000 claim, for comparison 0.0009 ml per draw 40,000 Requires a draw roughly a third the size of a measured one

The same arithmetic halves on one side at a time, and that is not a fault. Sixty-five to 150 draws per millilitre is a per-millilitre rate, so a single 18 ml chamber is worth roughly 3,600 to 5,400 short draws on its own. What the second chamber buys you is a second flavour in the same body, and an effective doubling of the total only if you draw from both.

Which revision our listing is, and where other listings differ

This is the part worth reading twice. Two different devices ship under the name VOPK Ultra 40K, and they do not share a specification sheet. Both claim 40,000 puffs and both hold 36 ml. One carries a 650 mAh cell – the 16350 model – and a mesh coil with a double heating wire. The other carries an 850 mAh cell, four mesh coils, adjustable power and selectable draw modes, and it is the one most competitor pages describe.

Our row is the 650 mAh device. The figures on the right below are not a comparison we are inviting; they are the reason a spec table copied from one shop to another stops agreeing with itself. One row deserves a note: the strength on our row is not missing, it simply lives on the variation selector rather than in the body text – our own selector carries 2% and carries it on every variation.

Especificación Our listing: 650 mAh, model 16350 The 850 mAh revision Consequence for a buyer
Batería 650 mAh, battery model 16350 850 mAh, described as high density The larger cell carries roughly a third more charge, so it needs the cable less often. It does not add liquid and does not raise your draw count
Coil build Bobina de malla con alambre de calefacción doble Four mesh coils Ours is one coil per chamber. A four-coil description belongs to the other device
Resistencia Not stated by our listing 1.0 ohm, or 1.0 and 0.5 switchable depending on the page If a figure matters to you, ask us to confirm it on the unit rather than trusting a listing
Power adjustment Not offered in our listing Adjustable power and wattage One fewer setting to learn, and no way to turn the output up
Draw modes Not listed Single and dual draw modes Ours draws the way it draws; the mode switch is the other device’s feature
Flavour change Slide switch at the bottom, left and right A button press, or a switch on the base or side If the device in your hand has a button for this, it is not the unit this page describes
Chamber volume 36 ml, two sides of 18 ml Usually 36 ml in two 18 ml chambers; one page states two 15 ml chambers The 15 ml claim is one shop’s slip, not a third product. Ours is the 36 ml total
Nicotine strength 2% on every variation, carried on our own selector Percentages from zero up to five, varying by page Our figure is one value across the whole row; the other listings disagree among themselves, so their range is not a menu this device offers

Choosing between the ten combinations

All ten pairs, and what each one is for

Ten pairs, and no page in this product’s search results tells you which one to take. Our listing names the pairs and stops there, so the third column below is ours: what the pairing actually does for a person. Both sides are fixed, so the choice is a choice of two flavours at once, not of one.

Left side Right side Why this pair works
Sandía con Fresa Kiwi Maracuyá Guayaba Soft red fruit on one side, sharp tropical on the other, so the two halves read as genuinely different
Arándano y Frambuesa Melocotón mango sandía Dark berry against a light stone-fruit blend; the widest contrast in the list
Osito de Goma Blue Razz Fresa y Kiwi Both sweet, both familiar; the pair for someone who wants no surprises
Cereza Blue Razz Fresa Frambuesa Two berry blends; the easiest pair to move between without noticing the change
Fizzy Lemon and Lime Sandía Menta Fresca Citrus on one side, cool mint on the other; the cleanest palate reset here
Hielo de Sandía Blue Razz Ice Both chilled; the pair that holds up when the same flavour for hours stops working
Piña Blue Razz Triple Mango Tangy against dense; a good pair for someone moving down from a stronger flavour
Explosión de Uva y Bayas Pera Manzana Frambuesa Heavier and lighter fruit; the two sides sit at different weights rather than different temperatures
Fresa Arándano Cereza Piña Pasión Lima Tart red fruit against sharp yellow fruit; the pair with the most bite in the list
Mentol de Fresa Arándano Mentol de Frambuesa Arándano Both menthol, both built on blueberry; pick this only if you want the whole device cool

If you want one recommendation: take Strawberry Watermelon with Kiwi Passion Fruit Guava. It is the pair our own description names as the top seller, and the reason holds up – one side is soft and one side is sharp, which is exactly the contrast a two-chamber device exists to provide. If you know you want the cool sensation on both sides, take the menthol pair instead and accept that the two halves are variations on one idea.

What the pairing changes about your day

A two-chamber device answers one specific problem: the point at which a single flavour stops registering, usually well before the liquid runs out. Because both sides are loaded from the start, you are not carrying a second device for the afternoon. The trade is that neither side gets a mid-day top-up, so on a heavy day you will notice the screen more than you would on a single-flavour device – which is the whole reason the liquid reading is there.

Flat, and easy to look after

Two of the three handling rules here follow from the two-chamber design rather than from the device being disposable, which is why they are worth stating even though nobody else does.

Situation What we suggest Why
You are not using it for a while Leave the slide switch on one side rather than between the two positions The switch is mechanical, and parking it on a side keeps the airflow path to one chamber closed
One chamber is nearly empty Switch to the fuller side and leave the empty one alone Drawing on a dry chamber is what produces a burnt taste; the screen is there so you can see it coming
Cargando Use a normal Type-C cable, unplug when the charge reading stops rising, and do not draw while it charges Charging while drawing heats the cell for no benefit and shortens the interval between charges
Storage between uses Upright, at room temperature, out of direct sun and away from a hot car interior Heat thins the liquid and gives it an easier route past the coil; a cold device simply feels weaker until it warms in your hand
Pocket carry Engage the child lock before it goes in a pocket The lock is stated as a feature in our listing; its exact gesture varies by production batch, so check the unit
It has sat unused for weeks Take two or three short draws and wait a moment before judging the flavour The first draws after a long pause clear the chamber; the flavour after them is the flavour

Charging, without a number we cannot support

Item What we can state Open point
Port Type-C, rechargeable, stated in our listing None
Time from empty to full Nothing, because our listing gives no figure Not stated by us or by any source about the 650 mAh cell. Do not plan around a number you have read elsewhere
How often you will charge It depends on your draw count, not on the rating: heavy days mean a cable, light days may not No cycle-life figure exists for this cell in our sources

Whether this device suits you

The two profiles this row is built for

One reader finishes a flavour long before the liquid is gone and wants the next one already loaded. The other wants one body instead of two in a pocket, and wants to see the liquid rather than guess at it. Almost everything else on this page follows from those two.

This device suits you if Look elsewhere if
You finish one flavour long before the liquid is gone, and want the second one already loaded You want to tune the output. This revision has no power setting, and the 850 mAh version does
You want one body that covers a long stretch instead of two devices in a pocket You need to know the coil resistance before ordering. Our listing does not carry it
You like a visible liquid level, so you are not guessing which side is about to run dry You want to choose your own strength. This row reads 2% on every variation, so there is nothing to choose between
You take short to medium draws; the per-millilitre arithmetic is on your side You take heavy open draws. At 65 to 150 draws per ml, 36 ml is a matter of weeks, not months
You want a device that is flat and pocketable rather than a box with a screen on the face You want a track record. There is no community thread or user report about this model that we could find

That last row is a concession worth making plainly: this is a new name with almost no first-hand reporting behind it, so the only evidence on this page is our own listing, the arithmetic built on it, and the manufacturer’s figures marked as the manufacturer’s.

Seven questions the other listings leave open

What arrives in the box?

Our sheet states the piece counts – ten devices to a medium box, sixteen medium boxes to a carton – and it does not state what is inside a single retail box beside the device. Cables and paperwork vary between suppliers on this class of device, so we would rather tell you that than guess. Ask us on the order and we will confirm it for the batch you are buying.

Is there a real puff counter on the screen?

No source establishes one. Our own listing names exactly two readings – battery and liquid for both sides – and never mentions a puff count. Some product photographs in this search results set show a number on the glass, but no listing documents what that number is, and a photograph is not a specification. Treat anything after your draw count on this page as a display graphic until a supplier states otherwise.

Does it take a coil or a pod that needs changing?

Nothing in our listing describes the atomiser as serviceable or replaceable, and nothing in it describes a pod. It is stated as a mesh coil with a double heating wire inside a sealed 36 ml body, so the honest answer is that we cannot confirm a replacement path. If a serviceable coil is a requirement for you, this is the wrong device.

Can I tell which battery version I have before I buy?

Three things separate them on the outside. The 650 mAh device is the 16350 cell; the flavour change is a slide switch at the bottom rather than a button; and our listing offers no power setting. If the listing you are reading advertises adjustable wattage, four mesh coils and a choice of draw modes, it is describing the 850 mAh device, whatever the title says.

Which combinations reorder most often?

Our own description names two as the ones that move: the Strawberry Watermelon side with Kiwi Passion Fruit Guava, and the Watermelon Ice side with Blue Razz Ice. Beyond those two we publish no ranking, because we have no sales data to publish one from, and inventing a best-seller list would be worse than leaving it out.

What should I do if a unit will not charge or tastes dry from the first draw?

Stop using it and contact us before opening anything else in the box. A dry taste on the first draw is not a break-in effect – it usually means the chamber has not been wet through – so a first draw that is harsh is a reason to ask, not a reason to persist. Our sheet does not state a warranty term, so the process is a conversation with us rather than a clause we can quote here.

Is the strength on this row the same across every variation?

Yes. Our own variation selector carries 2% and carries it on every variation of this row, so there is no strength to choose between and no chance of ordering one value and receiving another. Note that this figure comes from our variation data rather than from the body text of the description, which is why a reader who only skims the specification table above would not find it there. As with every figure on this page, it is the manufacturer’s rating rather than a measurement of your own unit.

For shops and resellers

This is a listing-first page, so the shelf maths sits here at the end rather than in the middle. Everything below is stated by the manufacturer or by our own product sheet, and the one figure we cannot confirm for you is named as such.

Configuration What it contains What that covers for you
Medium box 10 piezas Ten pairs of flavours, so a full box spans the range without splitting a case
Shipping carton 160 pieces, sixteen medium boxes One carton is a full assortment across the ten combinations with four units of each pair
Carton weight and footprint 19.5 kg, 506 x 310 x 322 mm One person can handle it, and two cartons fit a standard pallet footprint without overhang
Brand range This is one of three VOPK devices we stock El VOPK range covers a 60K three-flavour build and an 80K four-flavour build alongside this one
Where it sits in the range The single-pair device of the three, at 36 ml Entry point for the range, and the easiest of the three to explain across a counter
Resistance, and strength on the printed sheet Resistance is not stated anywhere in our listing. Strength is stated, but on the variation selector at 2% rather than in the body text If your counter needs the resistance printed on the packaging copy, confirm it with us before you commit to a carton – we will not quote another listing’s numbers. The strength is already fixed at 2% for the row
Category placement It is a 40K-class device It belongs in the 40k bocanadas section of the shop

Pricing sits in the cart rather than on this page, so nothing here goes stale when a tier changes. Order preparation, dispatch and tracking are confirmed with you at the point of order, and we will answer a specification question about resistance before you commit rather than after. Strength is the one figure our body text does not carry, and it is not a gap: our variation selector states 2% on every variation of this row, which is where to read it. The manufacturer figures on this page are marked as the manufacturer’s, and the resistance is named as a gap instead of filled in from a competitor’s page.

Información adicional

Sabores

sandía con fresa, kiwi con fruta de la pasión y guayaba, arándano y frambuesa, sandía de durazno, oso de gomita de razz azul, fresa y kiwi, cereza de razz azul, fresa y frambuesa, limón espumoso & lima, menta fresca de sandía, hielo de sandía, hielo de razz azul, piña de razz azul, mango triple, explosión de bayas y uvas, pera manzana frambuesa, cereza de fresa y arándano, lima pasión de piña, mentol de fresa y arándano, mentol de frambuesa y arándano

Fuerza

2%

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